Home / 8,320.29-12,480.48-2,476.95

Finding the Fourth Proportional to 8,320.29, 12,480.48 and 2,476.95

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Solution

The fourth proportional to 8,320.29, 12,480.48 and 2,476.95 is: 3,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.29 : 12,480.48 = 2,476.95 : x
  2. Step 2: Convert to fraction form
    8,320.29/12,480.48 = 2,476.95/x
  3. Step 3: Cross multiply
    8,320.29x = 12,480.48 × 2,476.95
  4. Step 4: Simplify right side
    8,320.29x = 30,913,524.94
  5. Step 5: Solve for x
    x = 30,913,524.94/8,320.29
  6. Step 6: Final answer
    x = 3,715.44

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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.