Home / 8,959.02-13,438.56-2,719.08

Finding the Fourth Proportional to 8,959.02, 13,438.56 and 2,719.08

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Solution

The fourth proportional to 8,959.02, 13,438.56 and 2,719.08 is: 4,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.02 : 13,438.56 = 2,719.08 : x
  2. Step 2: Convert to fraction form
    8,959.02/13,438.56 = 2,719.08/x
  3. Step 3: Cross multiply
    8,959.02x = 13,438.56 × 2,719.08
  4. Step 4: Simplify right side
    8,959.02x = 36,540,546.52
  5. Step 5: Solve for x
    x = 36,540,546.52/8,959.02
  6. Step 6: Final answer
    x = 4,078.63

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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.