Home / 5,700.16-7,864.38-3,181.87

Finding the Fourth Proportional to 5,700.16, 7,864.38 and 3,181.87

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Solution

The fourth proportional to 5,700.16, 7,864.38 and 3,181.87 is: 4,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.16 : 7,864.38 = 3,181.87 : x
  2. Step 2: Convert to fraction form
    5,700.16/7,864.38 = 3,181.87/x
  3. Step 3: Cross multiply
    5,700.16x = 7,864.38 × 3,181.87
  4. Step 4: Simplify right side
    5,700.16x = 25,023,434.79
  5. Step 5: Solve for x
    x = 25,023,434.79/5,700.16
  6. Step 6: Final answer
    x = 4,389.95

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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.