Home / 8,319.55-12,479.19-2,476.21

Finding the Fourth Proportional to 8,319.55, 12,479.19 and 2,476.21

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Solution

The fourth proportional to 8,319.55, 12,479.19 and 2,476.21 is: 3,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.55 : 12,479.19 = 2,476.21 : x
  2. Step 2: Convert to fraction form
    8,319.55/12,479.19 = 2,476.21/x
  3. Step 3: Cross multiply
    8,319.55x = 12,479.19 × 2,476.21
  4. Step 4: Simplify right side
    8,319.55x = 30,901,095.07
  5. Step 5: Solve for x
    x = 30,901,095.07/8,319.55
  6. Step 6: Final answer
    x = 3,714.27

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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.