Home / 4,754.24-7,131.29-1,291.49

Finding the Fourth Proportional to 4,754.24, 7,131.29 and 1,291.49

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Solution

The fourth proportional to 4,754.24, 7,131.29 and 1,291.49 is: 1,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.24 : 7,131.29 = 1,291.49 : x
  2. Step 2: Convert to fraction form
    4,754.24/7,131.29 = 1,291.49/x
  3. Step 3: Cross multiply
    4,754.24x = 7,131.29 × 1,291.49
  4. Step 4: Simplify right side
    4,754.24x = 9,209,947.61
  5. Step 5: Solve for x
    x = 9,209,947.61/4,754.24
  6. Step 6: Final answer
    x = 1,937.21

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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.