Home / 8,742.31-13,110.43-2,500.64

Finding the Fourth Proportional to 8,742.31, 13,110.43 and 2,500.64

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Solution

The fourth proportional to 8,742.31, 13,110.43 and 2,500.64 is: 3,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.31 : 13,110.43 = 2,500.64 : x
  2. Step 2: Convert to fraction form
    8,742.31/13,110.43 = 2,500.64/x
  3. Step 3: Cross multiply
    8,742.31x = 13,110.43 × 2,500.64
  4. Step 4: Simplify right side
    8,742.31x = 32,784,536.00
  5. Step 5: Solve for x
    x = 32,784,536.00/8,742.31
  6. Step 6: Final answer
    x = 3,750.10

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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.