Home / 8,670.90-13,006.35-3,473.13

Finding the Fourth Proportional to 8,670.90, 13,006.35 and 3,473.13

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Solution

The fourth proportional to 8,670.90, 13,006.35 and 3,473.13 is: 5,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.90 : 13,006.35 = 3,473.13 : x
  2. Step 2: Convert to fraction form
    8,670.90/13,006.35 = 3,473.13/x
  3. Step 3: Cross multiply
    8,670.90x = 13,006.35 × 3,473.13
  4. Step 4: Simplify right side
    8,670.90x = 45,172,744.38
  5. Step 5: Solve for x
    x = 45,172,744.38/8,670.90
  6. Step 6: Final answer
    x = 5,209.70

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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.