Home / 5,405.97-8,110.33-1,510.38

Finding the Fourth Proportional to 5,405.97, 8,110.33 and 1,510.38

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Solution

The fourth proportional to 5,405.97, 8,110.33 and 1,510.38 is: 2,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.97 : 8,110.33 = 1,510.38 : x
  2. Step 2: Convert to fraction form
    5,405.97/8,110.33 = 1,510.38/x
  3. Step 3: Cross multiply
    5,405.97x = 8,110.33 × 1,510.38
  4. Step 4: Simplify right side
    5,405.97x = 12,249,680.23
  5. Step 5: Solve for x
    x = 12,249,680.23/5,405.97
  6. Step 6: Final answer
    x = 2,265.95

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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.