Home / 8,865.41-13,298.06-5,114.76

Finding the Fourth Proportional to 8,865.41, 13,298.06 and 5,114.76

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Solution

The fourth proportional to 8,865.41, 13,298.06 and 5,114.76 is: 7,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.41 : 13,298.06 = 5,114.76 : x
  2. Step 2: Convert to fraction form
    8,865.41/13,298.06 = 5,114.76/x
  3. Step 3: Cross multiply
    8,865.41x = 13,298.06 × 5,114.76
  4. Step 4: Simplify right side
    8,865.41x = 68,016,378.97
  5. Step 5: Solve for x
    x = 68,016,378.97/8,865.41
  6. Step 6: Final answer
    x = 7,672.11

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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.