Home / 9,239.50-12,750.58-5,047.76

Finding the Fourth Proportional to 9,239.50, 12,750.58 and 5,047.76

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Solution

The fourth proportional to 9,239.50, 12,750.58 and 5,047.76 is: 6,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.50 : 12,750.58 = 5,047.76 : x
  2. Step 2: Convert to fraction form
    9,239.50/12,750.58 = 5,047.76/x
  3. Step 3: Cross multiply
    9,239.50x = 12,750.58 × 5,047.76
  4. Step 4: Simplify right side
    9,239.50x = 64,361,867.70
  5. Step 5: Solve for x
    x = 64,361,867.70/9,239.50
  6. Step 6: Final answer
    x = 6,965.95

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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.