Home / 9,030.24-13,545.84-2,791.20

Finding the Fourth Proportional to 9,030.24, 13,545.84 and 2,791.20

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Solution

The fourth proportional to 9,030.24, 13,545.84 and 2,791.20 is: 4,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.24 : 13,545.84 = 2,791.20 : x
  2. Step 2: Convert to fraction form
    9,030.24/13,545.84 = 2,791.20/x
  3. Step 3: Cross multiply
    9,030.24x = 13,545.84 × 2,791.20
  4. Step 4: Simplify right side
    9,030.24x = 37,809,148.61
  5. Step 5: Solve for x
    x = 37,809,148.61/9,030.24
  6. Step 6: Final answer
    x = 4,186.95

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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.