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Finding the Fourth Proportional to 4,828.02, 6,657.03 and 4,478.10

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Solution

The fourth proportional to 4,828.02, 6,657.03 and 4,478.10 is: 6,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.02 : 6,657.03 = 4,478.10 : x
  2. Step 2: Convert to fraction form
    4,828.02/6,657.03 = 4,478.10/x
  3. Step 3: Cross multiply
    4,828.02x = 6,657.03 × 4,478.10
  4. Step 4: Simplify right side
    4,828.02x = 29,810,846.04
  5. Step 5: Solve for x
    x = 29,810,846.04/4,828.02
  6. Step 6: Final answer
    x = 6,174.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.