Home / 8,379.48-11,565.30-5,546.91

Finding the Fourth Proportional to 8,379.48, 11,565.30 and 5,546.91

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Solution

The fourth proportional to 8,379.48, 11,565.30 and 5,546.91 is: 7,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.48 : 11,565.30 = 5,546.91 : x
  2. Step 2: Convert to fraction form
    8,379.48/11,565.30 = 5,546.91/x
  3. Step 3: Cross multiply
    8,379.48x = 11,565.30 × 5,546.91
  4. Step 4: Simplify right side
    8,379.48x = 64,151,678.22
  5. Step 5: Solve for x
    x = 64,151,678.22/8,379.48
  6. Step 6: Final answer
    x = 7,655.81

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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.