Home / 8,316.32-12,475.98-2,769.12

Finding the Fourth Proportional to 8,316.32, 12,475.98 and 2,769.12

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Solution

The fourth proportional to 8,316.32, 12,475.98 and 2,769.12 is: 4,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.32 : 12,475.98 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    8,316.32/12,475.98 = 2,769.12/x
  3. Step 3: Cross multiply
    8,316.32x = 12,475.98 × 2,769.12
  4. Step 4: Simplify right side
    8,316.32x = 34,547,485.74
  5. Step 5: Solve for x
    x = 34,547,485.74/8,316.32
  6. Step 6: Final answer
    x = 4,154.18

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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.