Home / 8,507.18-12,753.08-3,577.20

Finding the Fourth Proportional to 8,507.18, 12,753.08 and 3,577.20

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Solution

The fourth proportional to 8,507.18, 12,753.08 and 3,577.20 is: 5,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.18 : 12,753.08 = 3,577.20 : x
  2. Step 2: Convert to fraction form
    8,507.18/12,753.08 = 3,577.20/x
  3. Step 3: Cross multiply
    8,507.18x = 12,753.08 × 3,577.20
  4. Step 4: Simplify right side
    8,507.18x = 45,620,317.78
  5. Step 5: Solve for x
    x = 45,620,317.78/8,507.18
  6. Step 6: Final answer
    x = 5,362.57

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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.