Home / 5,080.46-7,617.95-1,791.11

Finding the Fourth Proportional to 5,080.46, 7,617.95 and 1,791.11

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Solution

The fourth proportional to 5,080.46, 7,617.95 and 1,791.11 is: 2,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.46 : 7,617.95 = 1,791.11 : x
  2. Step 2: Convert to fraction form
    5,080.46/7,617.95 = 1,791.11/x
  3. Step 3: Cross multiply
    5,080.46x = 7,617.95 × 1,791.11
  4. Step 4: Simplify right side
    5,080.46x = 13,644,603.23
  5. Step 5: Solve for x
    x = 13,644,603.23/5,080.46
  6. Step 6: Final answer
    x = 2,685.70

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1.5x scale

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.