Home / 4,293.38-6,440.61-1,519.40

Finding the Fourth Proportional to 4,293.38, 6,440.61 and 1,519.40

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Solution

The fourth proportional to 4,293.38, 6,440.61 and 1,519.40 is: 2,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.38 : 6,440.61 = 1,519.40 : x
  2. Step 2: Convert to fraction form
    4,293.38/6,440.61 = 1,519.40/x
  3. Step 3: Cross multiply
    4,293.38x = 6,440.61 × 1,519.40
  4. Step 4: Simplify right side
    4,293.38x = 9,785,862.83
  5. Step 5: Solve for x
    x = 9,785,862.83/4,293.38
  6. Step 6: Final answer
    x = 2,279.29

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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.