Home / 4,290.70-6,423.92-2,726.83

Finding the Fourth Proportional to 4,290.70, 6,423.92 and 2,726.83

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Solution

The fourth proportional to 4,290.70, 6,423.92 and 2,726.83 is: 4,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.70 : 6,423.92 = 2,726.83 : x
  2. Step 2: Convert to fraction form
    4,290.70/6,423.92 = 2,726.83/x
  3. Step 3: Cross multiply
    4,290.70x = 6,423.92 × 2,726.83
  4. Step 4: Simplify right side
    4,290.70x = 17,516,918.31
  5. Step 5: Solve for x
    x = 17,516,918.31/4,290.70
  6. Step 6: Final answer
    x = 4,082.53

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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.