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Finding the Fourth Proportional to 6,610.32, 9,914.76 and 2,912.76

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Solution

The fourth proportional to 6,610.32, 9,914.76 and 2,912.76 is: 4,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.32 : 9,914.76 = 2,912.76 : x
  2. Step 2: Convert to fraction form
    6,610.32/9,914.76 = 2,912.76/x
  3. Step 3: Cross multiply
    6,610.32x = 9,914.76 × 2,912.76
  4. Step 4: Simplify right side
    6,610.32x = 28,879,316.34
  5. Step 5: Solve for x
    x = 28,879,316.34/6,610.32
  6. Step 6: Final answer
    x = 4,368.82

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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.