Home / 8,560.06-11,814.40-5,538.90

Finding the Fourth Proportional to 8,560.06, 11,814.40 and 5,538.90

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Solution

The fourth proportional to 8,560.06, 11,814.40 and 5,538.90 is: 7,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.06 : 11,814.40 = 5,538.90 : x
  2. Step 2: Convert to fraction form
    8,560.06/11,814.40 = 5,538.90/x
  3. Step 3: Cross multiply
    8,560.06x = 11,814.40 × 5,538.90
  4. Step 4: Simplify right side
    8,560.06x = 65,438,780.16
  5. Step 5: Solve for x
    x = 65,438,780.16/8,560.06
  6. Step 6: Final answer
    x = 7,644.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.