Home / 8,670.48-13,006.56-3,475.68

Finding the Fourth Proportional to 8,670.48, 13,006.56 and 3,475.68

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Solution

The fourth proportional to 8,670.48, 13,006.56 and 3,475.68 is: 5,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.48 : 13,006.56 = 3,475.68 : x
  2. Step 2: Convert to fraction form
    8,670.48/13,006.56 = 3,475.68/x
  3. Step 3: Cross multiply
    8,670.48x = 13,006.56 × 3,475.68
  4. Step 4: Simplify right side
    8,670.48x = 45,206,640.46
  5. Step 5: Solve for x
    x = 45,206,640.46/8,670.48
  6. Step 6: Final answer
    x = 5,213.86

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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.