Home / 8,370.39-12,555.59-6,522.89

Finding the Fourth Proportional to 8,370.39, 12,555.59 and 6,522.89

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Solution

The fourth proportional to 8,370.39, 12,555.59 and 6,522.89 is: 9,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.39 : 12,555.59 = 6,522.89 : x
  2. Step 2: Convert to fraction form
    8,370.39/12,555.59 = 6,522.89/x
  3. Step 3: Cross multiply
    8,370.39x = 12,555.59 × 6,522.89
  4. Step 4: Simplify right side
    8,370.39x = 81,898,744.38
  5. Step 5: Solve for x
    x = 81,898,744.38/8,370.39
  6. Step 6: Final answer
    x = 9,784.34

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Similar ratio
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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.