Home / 8,316.28-12,474.96-2,769.40

Finding the Fourth Proportional to 8,316.28, 12,474.96 and 2,769.40

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Solution

The fourth proportional to 8,316.28, 12,474.96 and 2,769.40 is: 4,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.28 : 12,474.96 = 2,769.40 : x
  2. Step 2: Convert to fraction form
    8,316.28/12,474.96 = 2,769.40/x
  3. Step 3: Cross multiply
    8,316.28x = 12,474.96 × 2,769.40
  4. Step 4: Simplify right side
    8,316.28x = 34,548,154.22
  5. Step 5: Solve for x
    x = 34,548,154.22/8,316.28
  6. Step 6: Final answer
    x = 4,154.28

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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.