Home / 8,316.31-12,476.46-2,769.70

Finding the Fourth Proportional to 8,316.31, 12,476.46 and 2,769.70

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Solution

The fourth proportional to 8,316.31, 12,476.46 and 2,769.70 is: 4,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.31 : 12,476.46 = 2,769.70 : x
  2. Step 2: Convert to fraction form
    8,316.31/12,476.46 = 2,769.70/x
  3. Step 3: Cross multiply
    8,316.31x = 12,476.46 × 2,769.70
  4. Step 4: Simplify right side
    8,316.31x = 34,556,037.41
  5. Step 5: Solve for x
    x = 34,556,037.41/8,316.31
  6. Step 6: Final answer
    x = 4,155.22

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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.