Home / 8,934.59-13,402.08-3,390.54

Finding the Fourth Proportional to 8,934.59, 13,402.08 and 3,390.54

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Solution

The fourth proportional to 8,934.59, 13,402.08 and 3,390.54 is: 5,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.59 : 13,402.08 = 3,390.54 : x
  2. Step 2: Convert to fraction form
    8,934.59/13,402.08 = 3,390.54/x
  3. Step 3: Cross multiply
    8,934.59x = 13,402.08 × 3,390.54
  4. Step 4: Simplify right side
    8,934.59x = 45,440,288.32
  5. Step 5: Solve for x
    x = 45,440,288.32/8,934.59
  6. Step 6: Final answer
    x = 5,085.89

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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.