Home / 8,582.59-12,871.14-4,422.05

Finding the Fourth Proportional to 8,582.59, 12,871.14 and 4,422.05

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Solution

The fourth proportional to 8,582.59, 12,871.14 and 4,422.05 is: 6,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.59 : 12,871.14 = 4,422.05 : x
  2. Step 2: Convert to fraction form
    8,582.59/12,871.14 = 4,422.05/x
  3. Step 3: Cross multiply
    8,582.59x = 12,871.14 × 4,422.05
  4. Step 4: Simplify right side
    8,582.59x = 56,916,824.64
  5. Step 5: Solve for x
    x = 56,916,824.64/8,582.59
  6. Step 6: Final answer
    x = 6,631.66

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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.