Home / 8,574.06-12,862.77-2,729.58

Finding the Fourth Proportional to 8,574.06, 12,862.77 and 2,729.58

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Solution

The fourth proportional to 8,574.06, 12,862.77 and 2,729.58 is: 4,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.06 : 12,862.77 = 2,729.58 : x
  2. Step 2: Convert to fraction form
    8,574.06/12,862.77 = 2,729.58/x
  3. Step 3: Cross multiply
    8,574.06x = 12,862.77 × 2,729.58
  4. Step 4: Simplify right side
    8,574.06x = 35,109,959.74
  5. Step 5: Solve for x
    x = 35,109,959.74/8,574.06
  6. Step 6: Final answer
    x = 4,094.90

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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.