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Finding the Fourth Proportional to 6,451.54, 8,903.48 and 4,855.31

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Solution

The fourth proportional to 6,451.54, 8,903.48 and 4,855.31 is: 6,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.54 : 8,903.48 = 4,855.31 : x
  2. Step 2: Convert to fraction form
    6,451.54/8,903.48 = 4,855.31/x
  3. Step 3: Cross multiply
    6,451.54x = 8,903.48 × 4,855.31
  4. Step 4: Simplify right side
    6,451.54x = 43,229,155.48
  5. Step 5: Solve for x
    x = 43,229,155.48/6,451.54
  6. Step 6: Final answer
    x = 6,700.59

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Half scale
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Double scale
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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.