Home / 8,360.64-12,542.40-2,516.76

Finding the Fourth Proportional to 8,360.64, 12,542.40 and 2,516.76

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Solution

The fourth proportional to 8,360.64, 12,542.40 and 2,516.76 is: 3,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.64 : 12,542.40 = 2,516.76 : x
  2. Step 2: Convert to fraction form
    8,360.64/12,542.40 = 2,516.76/x
  3. Step 3: Cross multiply
    8,360.64x = 12,542.40 × 2,516.76
  4. Step 4: Simplify right side
    8,360.64x = 31,566,210.62
  5. Step 5: Solve for x
    x = 31,566,210.62/8,360.64
  6. Step 6: Final answer
    x = 3,775.57

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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.