Home / 8,934.22-13,387.47-3,384.57

Finding the Fourth Proportional to 8,934.22, 13,387.47 and 3,384.57

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Solution

The fourth proportional to 8,934.22, 13,387.47 and 3,384.57 is: 5,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.22 : 13,387.47 = 3,384.57 : x
  2. Step 2: Convert to fraction form
    8,934.22/13,387.47 = 3,384.57/x
  3. Step 3: Cross multiply
    8,934.22x = 13,387.47 × 3,384.57
  4. Step 4: Simplify right side
    8,934.22x = 45,310,829.34
  5. Step 5: Solve for x
    x = 45,310,829.34/8,934.22
  6. Step 6: Final answer
    x = 5,071.60

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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.