Home / 9,251.76-13,876.87-4,809.45

Finding the Fourth Proportional to 9,251.76, 13,876.87 and 4,809.45

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Solution

The fourth proportional to 9,251.76, 13,876.87 and 4,809.45 is: 7,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.76 : 13,876.87 = 4,809.45 : x
  2. Step 2: Convert to fraction form
    9,251.76/13,876.87 = 4,809.45/x
  3. Step 3: Cross multiply
    9,251.76x = 13,876.87 × 4,809.45
  4. Step 4: Simplify right side
    9,251.76x = 66,740,112.42
  5. Step 5: Solve for x
    x = 66,740,112.42/9,251.76
  6. Step 6: Final answer
    x = 7,213.77

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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.