Home / 8,706.90-13,059.12-2,862.75

Finding the Fourth Proportional to 8,706.90, 13,059.12 and 2,862.75

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Solution

The fourth proportional to 8,706.90, 13,059.12 and 2,862.75 is: 4,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.90 : 13,059.12 = 2,862.75 : x
  2. Step 2: Convert to fraction form
    8,706.90/13,059.12 = 2,862.75/x
  3. Step 3: Cross multiply
    8,706.90x = 13,059.12 × 2,862.75
  4. Step 4: Simplify right side
    8,706.90x = 37,384,995.78
  5. Step 5: Solve for x
    x = 37,384,995.78/8,706.90
  6. Step 6: Final answer
    x = 4,293.72

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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.