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Finding the Fourth Proportional to 7,673.92, 10,589.07 and 4,840.23

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Solution

The fourth proportional to 7,673.92, 10,589.07 and 4,840.23 is: 6,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.92 : 10,589.07 = 4,840.23 : x
  2. Step 2: Convert to fraction form
    7,673.92/10,589.07 = 4,840.23/x
  3. Step 3: Cross multiply
    7,673.92x = 10,589.07 × 4,840.23
  4. Step 4: Simplify right side
    7,673.92x = 51,253,483.66
  5. Step 5: Solve for x
    x = 51,253,483.66/7,673.92
  6. Step 6: Final answer
    x = 6,678.92

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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.