Home / 7,352.80-11,029.12-2,158.48

Finding the Fourth Proportional to 7,352.80, 11,029.12 and 2,158.48

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Solution

The fourth proportional to 7,352.80, 11,029.12 and 2,158.48 is: 3,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.80 : 11,029.12 = 2,158.48 : x
  2. Step 2: Convert to fraction form
    7,352.80/11,029.12 = 2,158.48/x
  3. Step 3: Cross multiply
    7,352.80x = 11,029.12 × 2,158.48
  4. Step 4: Simplify right side
    7,352.80x = 23,806,134.94
  5. Step 5: Solve for x
    x = 23,806,134.94/7,352.80
  6. Step 6: Final answer
    x = 3,237.70

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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.