Home / 8,316.12-12,476.17-2,769.51

Finding the Fourth Proportional to 8,316.12, 12,476.17 and 2,769.51

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Solution

The fourth proportional to 8,316.12, 12,476.17 and 2,769.51 is: 4,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.12 : 12,476.17 = 2,769.51 : x
  2. Step 2: Convert to fraction form
    8,316.12/12,476.17 = 2,769.51/x
  3. Step 3: Cross multiply
    8,316.12x = 12,476.17 × 2,769.51
  4. Step 4: Simplify right side
    8,316.12x = 34,552,915.69
  5. Step 5: Solve for x
    x = 34,552,915.69/8,316.12
  6. Step 6: Final answer
    x = 4,154.93

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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.