Home / 5,111.17-7,655.95-2,340.16

Finding the Fourth Proportional to 5,111.17, 7,655.95 and 2,340.16

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Solution

The fourth proportional to 5,111.17, 7,655.95 and 2,340.16 is: 3,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.17 : 7,655.95 = 2,340.16 : x
  2. Step 2: Convert to fraction form
    5,111.17/7,655.95 = 2,340.16/x
  3. Step 3: Cross multiply
    5,111.17x = 7,655.95 × 2,340.16
  4. Step 4: Simplify right side
    5,111.17x = 17,916,147.95
  5. Step 5: Solve for x
    x = 17,916,147.95/5,111.17
  6. Step 6: Final answer
    x = 3,505.29

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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.