Home / 5,111.18-7,656.03-2,474.90

Finding the Fourth Proportional to 5,111.18, 7,656.03 and 2,474.90

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Solution

The fourth proportional to 5,111.18, 7,656.03 and 2,474.90 is: 3,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.18 : 7,656.03 = 2,474.90 : x
  2. Step 2: Convert to fraction form
    5,111.18/7,656.03 = 2,474.90/x
  3. Step 3: Cross multiply
    5,111.18x = 7,656.03 × 2,474.90
  4. Step 4: Simplify right side
    5,111.18x = 18,947,908.65
  5. Step 5: Solve for x
    x = 18,947,908.65/5,111.18
  6. Step 6: Final answer
    x = 3,707.15

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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.