Home / 5,182.17-7,774.77-1,672.11

Finding the Fourth Proportional to 5,182.17, 7,774.77 and 1,672.11

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Solution

The fourth proportional to 5,182.17, 7,774.77 and 1,672.11 is: 2,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.17 : 7,774.77 = 1,672.11 : x
  2. Step 2: Convert to fraction form
    5,182.17/7,774.77 = 1,672.11/x
  3. Step 3: Cross multiply
    5,182.17x = 7,774.77 × 1,672.11
  4. Step 4: Simplify right side
    5,182.17x = 13,000,270.66
  5. Step 5: Solve for x
    x = 13,000,270.66/5,182.17
  6. Step 6: Final answer
    x = 2,508.65

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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.