Home / 5,141.16-7,707.12-1,851.95

Finding the Fourth Proportional to 5,141.16, 7,707.12 and 1,851.95

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Solution

The fourth proportional to 5,141.16, 7,707.12 and 1,851.95 is: 2,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.16 : 7,707.12 = 1,851.95 : x
  2. Step 2: Convert to fraction form
    5,141.16/7,707.12 = 1,851.95/x
  3. Step 3: Cross multiply
    5,141.16x = 7,707.12 × 1,851.95
  4. Step 4: Simplify right side
    5,141.16x = 14,273,200.88
  5. Step 5: Solve for x
    x = 14,273,200.88/5,141.16
  6. Step 6: Final answer
    x = 2,776.26

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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.