Home / 8,965.02-13,447.56-3,120.24

Finding the Fourth Proportional to 8,965.02, 13,447.56 and 3,120.24

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Solution

The fourth proportional to 8,965.02, 13,447.56 and 3,120.24 is: 4,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.02 : 13,447.56 = 3,120.24 : x
  2. Step 2: Convert to fraction form
    8,965.02/13,447.56 = 3,120.24/x
  3. Step 3: Cross multiply
    8,965.02x = 13,447.56 × 3,120.24
  4. Step 4: Simplify right side
    8,965.02x = 41,959,614.61
  5. Step 5: Solve for x
    x = 41,959,614.61/8,965.02
  6. Step 6: Final answer
    x = 4,680.37

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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.