Home / 8,325.98-12,488.26-5,195.13

Finding the Fourth Proportional to 8,325.98, 12,488.26 and 5,195.13

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Solution

The fourth proportional to 8,325.98, 12,488.26 and 5,195.13 is: 7,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.98 : 12,488.26 = 5,195.13 : x
  2. Step 2: Convert to fraction form
    8,325.98/12,488.26 = 5,195.13/x
  3. Step 3: Cross multiply
    8,325.98x = 12,488.26 × 5,195.13
  4. Step 4: Simplify right side
    8,325.98x = 64,878,134.17
  5. Step 5: Solve for x
    x = 64,878,134.17/8,325.98
  6. Step 6: Final answer
    x = 7,792.25

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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.