Home / 5,079.28-7,009.20-2,841.04

Finding the Fourth Proportional to 5,079.28, 7,009.20 and 2,841.04

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Solution

The fourth proportional to 5,079.28, 7,009.20 and 2,841.04 is: 3,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.28 : 7,009.20 = 2,841.04 : x
  2. Step 2: Convert to fraction form
    5,079.28/7,009.20 = 2,841.04/x
  3. Step 3: Cross multiply
    5,079.28x = 7,009.20 × 2,841.04
  4. Step 4: Simplify right side
    5,079.28x = 19,913,417.57
  5. Step 5: Solve for x
    x = 19,913,417.57/5,079.28
  6. Step 6: Final answer
    x = 3,920.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.