Home / 7,434.31-10,259.35-4,122.31

Finding the Fourth Proportional to 7,434.31, 10,259.35 and 4,122.31

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Solution

The fourth proportional to 7,434.31, 10,259.35 and 4,122.31 is: 5,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.31 : 10,259.35 = 4,122.31 : x
  2. Step 2: Convert to fraction form
    7,434.31/10,259.35 = 4,122.31/x
  3. Step 3: Cross multiply
    7,434.31x = 10,259.35 × 4,122.31
  4. Step 4: Simplify right side
    7,434.31x = 42,292,251.90
  5. Step 5: Solve for x
    x = 42,292,251.90/7,434.31
  6. Step 6: Final answer
    x = 5,688.79

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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.