Home / 9,251.48-12,764.05-5,271.84

Finding the Fourth Proportional to 9,251.48, 12,764.05 and 5,271.84

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Solution

The fourth proportional to 9,251.48, 12,764.05 and 5,271.84 is: 7,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.48 : 12,764.05 = 5,271.84 : x
  2. Step 2: Convert to fraction form
    9,251.48/12,764.05 = 5,271.84/x
  3. Step 3: Cross multiply
    9,251.48x = 12,764.05 × 5,271.84
  4. Step 4: Simplify right side
    9,251.48x = 67,290,016.17
  5. Step 5: Solve for x
    x = 67,290,016.17/9,251.48
  6. Step 6: Final answer
    x = 7,273.43

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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.