Home / 7,342.86-10,119.18-7,207.92

Finding the Fourth Proportional to 7,342.86, 10,119.18 and 7,207.92

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Solution

The fourth proportional to 7,342.86, 10,119.18 and 7,207.92 is: 9,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.86 : 10,119.18 = 7,207.92 : x
  2. Step 2: Convert to fraction form
    7,342.86/10,119.18 = 7,207.92/x
  3. Step 3: Cross multiply
    7,342.86x = 10,119.18 × 7,207.92
  4. Step 4: Simplify right side
    7,342.86x = 72,938,239.91
  5. Step 5: Solve for x
    x = 72,938,239.91/7,342.86
  6. Step 6: Final answer
    x = 9,933.22

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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.