Home / 8,248.20-12,376.56-3,866.10

Finding the Fourth Proportional to 8,248.20, 12,376.56 and 3,866.10

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Solution

The fourth proportional to 8,248.20, 12,376.56 and 3,866.10 is: 5,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.20 : 12,376.56 = 3,866.10 : x
  2. Step 2: Convert to fraction form
    8,248.20/12,376.56 = 3,866.10/x
  3. Step 3: Cross multiply
    8,248.20x = 12,376.56 × 3,866.10
  4. Step 4: Simplify right side
    8,248.20x = 47,849,018.62
  5. Step 5: Solve for x
    x = 47,849,018.62/8,248.20
  6. Step 6: Final answer
    x = 5,801.15

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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.