Home / 7,644.10-11,466.15-3,747.70

Finding the Fourth Proportional to 7,644.10, 11,466.15 and 3,747.70

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Solution

The fourth proportional to 7,644.10, 11,466.15 and 3,747.70 is: 5,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.10 : 11,466.15 = 3,747.70 : x
  2. Step 2: Convert to fraction form
    7,644.10/11,466.15 = 3,747.70/x
  3. Step 3: Cross multiply
    7,644.10x = 11,466.15 × 3,747.70
  4. Step 4: Simplify right side
    7,644.10x = 42,971,690.36
  5. Step 5: Solve for x
    x = 42,971,690.36/7,644.10
  6. Step 6: Final answer
    x = 5,621.55

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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.