Home / 9,039.38-13,566.38-4,658.09

Finding the Fourth Proportional to 9,039.38, 13,566.38 and 4,658.09

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Solution

The fourth proportional to 9,039.38, 13,566.38 and 4,658.09 is: 6,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.38 : 13,566.38 = 4,658.09 : x
  2. Step 2: Convert to fraction form
    9,039.38/13,566.38 = 4,658.09/x
  3. Step 3: Cross multiply
    9,039.38x = 13,566.38 × 4,658.09
  4. Step 4: Simplify right side
    9,039.38x = 63,193,327.89
  5. Step 5: Solve for x
    x = 63,193,327.89/9,039.38
  6. Step 6: Final answer
    x = 6,990.90

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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.