Home / 5,108.16-7,050.02-3,119.87

Finding the Fourth Proportional to 5,108.16, 7,050.02 and 3,119.87

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Solution

The fourth proportional to 5,108.16, 7,050.02 and 3,119.87 is: 4,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.16 : 7,050.02 = 3,119.87 : x
  2. Step 2: Convert to fraction form
    5,108.16/7,050.02 = 3,119.87/x
  3. Step 3: Cross multiply
    5,108.16x = 7,050.02 × 3,119.87
  4. Step 4: Simplify right side
    5,108.16x = 21,995,145.90
  5. Step 5: Solve for x
    x = 21,995,145.90/5,108.16
  6. Step 6: Final answer
    x = 4,305.88

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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.