Home / 8,319.27-11,484.82-6,426.61

Finding the Fourth Proportional to 8,319.27, 11,484.82 and 6,426.61

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Solution

The fourth proportional to 8,319.27, 11,484.82 and 6,426.61 is: 8,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.27 : 11,484.82 = 6,426.61 : x
  2. Step 2: Convert to fraction form
    8,319.27/11,484.82 = 6,426.61/x
  3. Step 3: Cross multiply
    8,319.27x = 11,484.82 × 6,426.61
  4. Step 4: Simplify right side
    8,319.27x = 73,808,438.38
  5. Step 5: Solve for x
    x = 73,808,438.38/8,319.27
  6. Step 6: Final answer
    x = 8,871.98

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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.