Home / 8,205.48-12,310.02-3,011.40

Finding the Fourth Proportional to 8,205.48, 12,310.02 and 3,011.40

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Solution

The fourth proportional to 8,205.48, 12,310.02 and 3,011.40 is: 4,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.48 : 12,310.02 = 3,011.40 : x
  2. Step 2: Convert to fraction form
    8,205.48/12,310.02 = 3,011.40/x
  3. Step 3: Cross multiply
    8,205.48x = 12,310.02 × 3,011.40
  4. Step 4: Simplify right side
    8,205.48x = 37,070,394.23
  5. Step 5: Solve for x
    x = 37,070,394.23/8,205.48
  6. Step 6: Final answer
    x = 4,517.76

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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.