Home / 8,635.72-12,953.59-3,445.24

Finding the Fourth Proportional to 8,635.72, 12,953.59 and 3,445.24

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Solution

The fourth proportional to 8,635.72, 12,953.59 and 3,445.24 is: 5,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.72 : 12,953.59 = 3,445.24 : x
  2. Step 2: Convert to fraction form
    8,635.72/12,953.59 = 3,445.24/x
  3. Step 3: Cross multiply
    8,635.72x = 12,953.59 × 3,445.24
  4. Step 4: Simplify right side
    8,635.72x = 44,628,209.19
  5. Step 5: Solve for x
    x = 44,628,209.19/8,635.72
  6. Step 6: Final answer
    x = 5,167.86

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.