Home / 8,247.23-12,370.85-3,630.23

Finding the Fourth Proportional to 8,247.23, 12,370.85 and 3,630.23

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Solution

The fourth proportional to 8,247.23, 12,370.85 and 3,630.23 is: 5,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.23 : 12,370.85 = 3,630.23 : x
  2. Step 2: Convert to fraction form
    8,247.23/12,370.85 = 3,630.23/x
  3. Step 3: Cross multiply
    8,247.23x = 12,370.85 × 3,630.23
  4. Step 4: Simplify right side
    8,247.23x = 44,909,030.80
  5. Step 5: Solve for x
    x = 44,909,030.80/8,247.23
  6. Step 6: Final answer
    x = 5,445.35

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Half scale
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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.