Home / 8,209.46-11,314.40-6,215.24

Finding the Fourth Proportional to 8,209.46, 11,314.40 and 6,215.24

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Solution

The fourth proportional to 8,209.46, 11,314.40 and 6,215.24 is: 8,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.46 : 11,314.40 = 6,215.24 : x
  2. Step 2: Convert to fraction form
    8,209.46/11,314.40 = 6,215.24/x
  3. Step 3: Cross multiply
    8,209.46x = 11,314.40 × 6,215.24
  4. Step 4: Simplify right side
    8,209.46x = 70,321,711.46
  5. Step 5: Solve for x
    x = 70,321,711.46/8,209.46
  6. Step 6: Final answer
    x = 8,565.94

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Double scale
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Similar ratio
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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.