Home / 5,726.66-7,902.69-3,208.76

Finding the Fourth Proportional to 5,726.66, 7,902.69 and 3,208.76

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Solution

The fourth proportional to 5,726.66, 7,902.69 and 3,208.76 is: 4,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.66 : 7,902.69 = 3,208.76 : x
  2. Step 2: Convert to fraction form
    5,726.66/7,902.69 = 3,208.76/x
  3. Step 3: Cross multiply
    5,726.66x = 7,902.69 × 3,208.76
  4. Step 4: Simplify right side
    5,726.66x = 25,357,837.72
  5. Step 5: Solve for x
    x = 25,357,837.72/5,726.66
  6. Step 6: Final answer
    x = 4,428.04

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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.