Home / 8,930.26-13,387.45-3,387.50

Finding the Fourth Proportional to 8,930.26, 13,387.45 and 3,387.50

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Solution

The fourth proportional to 8,930.26, 13,387.45 and 3,387.50 is: 5,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.26 : 13,387.45 = 3,387.50 : x
  2. Step 2: Convert to fraction form
    8,930.26/13,387.45 = 3,387.50/x
  3. Step 3: Cross multiply
    8,930.26x = 13,387.45 × 3,387.50
  4. Step 4: Simplify right side
    8,930.26x = 45,349,911.47
  5. Step 5: Solve for x
    x = 45,349,911.47/8,930.26
  6. Step 6: Final answer
    x = 5,078.23

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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.