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Finding the Fourth Proportional to 7,497.33, 10,340.95 and 5,259.71

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Solution

The fourth proportional to 7,497.33, 10,340.95 and 5,259.71 is: 7,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.33 : 10,340.95 = 5,259.71 : x
  2. Step 2: Convert to fraction form
    7,497.33/10,340.95 = 5,259.71/x
  3. Step 3: Cross multiply
    7,497.33x = 10,340.95 × 5,259.71
  4. Step 4: Simplify right side
    7,497.33x = 54,390,398.12
  5. Step 5: Solve for x
    x = 54,390,398.12/7,497.33
  6. Step 6: Final answer
    x = 7,254.64

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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.