Home / 8,695.90-13,042.63-2,851.75

Finding the Fourth Proportional to 8,695.90, 13,042.63 and 2,851.75

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Solution

The fourth proportional to 8,695.90, 13,042.63 and 2,851.75 is: 4,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.90 : 13,042.63 = 2,851.75 : x
  2. Step 2: Convert to fraction form
    8,695.90/13,042.63 = 2,851.75/x
  3. Step 3: Cross multiply
    8,695.90x = 13,042.63 × 2,851.75
  4. Step 4: Simplify right side
    8,695.90x = 37,194,320.10
  5. Step 5: Solve for x
    x = 37,194,320.10/8,695.90
  6. Step 6: Final answer
    x = 4,277.22

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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.