Home / 7,387.86-10,195.20-4,030.61

Finding the Fourth Proportional to 7,387.86, 10,195.20 and 4,030.61

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Solution

The fourth proportional to 7,387.86, 10,195.20 and 4,030.61 is: 5,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.86 : 10,195.20 = 4,030.61 : x
  2. Step 2: Convert to fraction form
    7,387.86/10,195.20 = 4,030.61/x
  3. Step 3: Cross multiply
    7,387.86x = 10,195.20 × 4,030.61
  4. Step 4: Simplify right side
    7,387.86x = 41,092,824.10
  5. Step 5: Solve for x
    x = 41,092,824.10/7,387.86
  6. Step 6: Final answer
    x = 5,562.21

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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.