Home / 7,387.61-11,073.96-3,881.57

Finding the Fourth Proportional to 7,387.61, 11,073.96 and 3,881.57

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Solution

The fourth proportional to 7,387.61, 11,073.96 and 3,881.57 is: 5,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.61 : 11,073.96 = 3,881.57 : x
  2. Step 2: Convert to fraction form
    7,387.61/11,073.96 = 3,881.57/x
  3. Step 3: Cross multiply
    7,387.61x = 11,073.96 × 3,881.57
  4. Step 4: Simplify right side
    7,387.61x = 42,984,295.55
  5. Step 5: Solve for x
    x = 42,984,295.55/7,387.61
  6. Step 6: Final answer
    x = 5,818.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.