Home / 5,726.30-7,901.15-3,369.20

Finding the Fourth Proportional to 5,726.30, 7,901.15 and 3,369.20

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Solution

The fourth proportional to 5,726.30, 7,901.15 and 3,369.20 is: 4,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.30 : 7,901.15 = 3,369.20 : x
  2. Step 2: Convert to fraction form
    5,726.30/7,901.15 = 3,369.20/x
  3. Step 3: Cross multiply
    5,726.30x = 7,901.15 × 3,369.20
  4. Step 4: Simplify right side
    5,726.30x = 26,620,498.23
  5. Step 5: Solve for x
    x = 26,620,498.23/5,726.30
  6. Step 6: Final answer
    x = 4,648.82

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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.