Home / 8,534.30-12,801.45-2,378.30

Finding the Fourth Proportional to 8,534.30, 12,801.45 and 2,378.30

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Solution

The fourth proportional to 8,534.30, 12,801.45 and 2,378.30 is: 3,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.30 : 12,801.45 = 2,378.30 : x
  2. Step 2: Convert to fraction form
    8,534.30/12,801.45 = 2,378.30/x
  3. Step 3: Cross multiply
    8,534.30x = 12,801.45 × 2,378.30
  4. Step 4: Simplify right side
    8,534.30x = 30,445,688.54
  5. Step 5: Solve for x
    x = 30,445,688.54/8,534.30
  6. Step 6: Final answer
    x = 3,567.45

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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.