Home / 8,507.13-12,761.65-3,576.76

Finding the Fourth Proportional to 8,507.13, 12,761.65 and 3,576.76

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Solution

The fourth proportional to 8,507.13, 12,761.65 and 3,576.76 is: 5,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.13 : 12,761.65 = 3,576.76 : x
  2. Step 2: Convert to fraction form
    8,507.13/12,761.65 = 3,576.76/x
  3. Step 3: Cross multiply
    8,507.13x = 12,761.65 × 3,576.76
  4. Step 4: Simplify right side
    8,507.13x = 45,645,331.82
  5. Step 5: Solve for x
    x = 45,645,331.82/8,507.13
  6. Step 6: Final answer
    x = 5,365.54

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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.