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Finding the Fourth Proportional to 8,373, 12,559.50 and 3,445.32

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Solution

The fourth proportional to 8,373, 12,559.50 and 3,445.32 is: 5,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373 : 12,559.50 = 3,445.32 : x
  2. Step 2: Convert to fraction form
    8,373/12,559.50 = 3,445.32/x
  3. Step 3: Cross multiply
    8,373x = 12,559.50 × 3,445.32
  4. Step 4: Simplify right side
    8,373x = 43,271,496.54
  5. Step 5: Solve for x
    x = 43,271,496.54/8,373
  6. Step 6: Final answer
    x = 5,167.98

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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.