Home / 9,049.40-12,488.20-5,512.64

Finding the Fourth Proportional to 9,049.40, 12,488.20 and 5,512.64

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Solution

The fourth proportional to 9,049.40, 12,488.20 and 5,512.64 is: 7,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.40 : 12,488.20 = 5,512.64 : x
  2. Step 2: Convert to fraction form
    9,049.40/12,488.20 = 5,512.64/x
  3. Step 3: Cross multiply
    9,049.40x = 12,488.20 × 5,512.64
  4. Step 4: Simplify right side
    9,049.40x = 68,842,950.85
  5. Step 5: Solve for x
    x = 68,842,950.85/9,049.40
  6. Step 6: Final answer
    x = 7,607.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.