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Finding the Fourth Proportional to 8,323.95, 12,482.28 and 2,479.40

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Solution

The fourth proportional to 8,323.95, 12,482.28 and 2,479.40 is: 3,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.95 : 12,482.28 = 2,479.40 : x
  2. Step 2: Convert to fraction form
    8,323.95/12,482.28 = 2,479.40/x
  3. Step 3: Cross multiply
    8,323.95x = 12,482.28 × 2,479.40
  4. Step 4: Simplify right side
    8,323.95x = 30,948,502.62
  5. Step 5: Solve for x
    x = 30,948,502.62/8,323.95
  6. Step 6: Final answer
    x = 3,718.01

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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.