Home / 8,320.49-12,482.74-2,773.88

Finding the Fourth Proportional to 8,320.49, 12,482.74 and 2,773.88

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Solution

The fourth proportional to 8,320.49, 12,482.74 and 2,773.88 is: 4,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.49 : 12,482.74 = 2,773.88 : x
  2. Step 2: Convert to fraction form
    8,320.49/12,482.74 = 2,773.88/x
  3. Step 3: Cross multiply
    8,320.49x = 12,482.74 × 2,773.88
  4. Step 4: Simplify right side
    8,320.49x = 34,625,610.70
  5. Step 5: Solve for x
    x = 34,625,610.70/8,320.49
  6. Step 6: Final answer
    x = 4,161.49

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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.