Home / 6,281.55-9,424.49-3,938.74

Finding the Fourth Proportional to 6,281.55, 9,424.49 and 3,938.74

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Solution

The fourth proportional to 6,281.55, 9,424.49 and 3,938.74 is: 5,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.55 : 9,424.49 = 3,938.74 : x
  2. Step 2: Convert to fraction form
    6,281.55/9,424.49 = 3,938.74/x
  3. Step 3: Cross multiply
    6,281.55x = 9,424.49 × 3,938.74
  4. Step 4: Simplify right side
    6,281.55x = 37,120,572.49
  5. Step 5: Solve for x
    x = 37,120,572.49/6,281.55
  6. Step 6: Final answer
    x = 5,909.46

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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.