Home / 8,454.27-11,653.42-6,658.91

Finding the Fourth Proportional to 8,454.27, 11,653.42 and 6,658.91

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Solution

The fourth proportional to 8,454.27, 11,653.42 and 6,658.91 is: 9,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.27 : 11,653.42 = 6,658.91 : x
  2. Step 2: Convert to fraction form
    8,454.27/11,653.42 = 6,658.91/x
  3. Step 3: Cross multiply
    8,454.27x = 11,653.42 × 6,658.91
  4. Step 4: Simplify right side
    8,454.27x = 77,599,056.24
  5. Step 5: Solve for x
    x = 77,599,056.24/8,454.27
  6. Step 6: Final answer
    x = 9,178.68

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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.