Home / 5,679.91-8,521.14-1,731.51

Finding the Fourth Proportional to 5,679.91, 8,521.14 and 1,731.51

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Solution

The fourth proportional to 5,679.91, 8,521.14 and 1,731.51 is: 2,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.91 : 8,521.14 = 1,731.51 : x
  2. Step 2: Convert to fraction form
    5,679.91/8,521.14 = 1,731.51/x
  3. Step 3: Cross multiply
    5,679.91x = 8,521.14 × 1,731.51
  4. Step 4: Simplify right side
    5,679.91x = 14,754,439.12
  5. Step 5: Solve for x
    x = 14,754,439.12/5,679.91
  6. Step 6: Final answer
    x = 2,597.66

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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.