Home / 8,320.04-12,480.72-2,477

Finding the Fourth Proportional to 8,320.04, 12,480.72 and 2,477

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Solution

The fourth proportional to 8,320.04, 12,480.72 and 2,477 is: 3,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.04 : 12,480.72 = 2,477 : x
  2. Step 2: Convert to fraction form
    8,320.04/12,480.72 = 2,477/x
  3. Step 3: Cross multiply
    8,320.04x = 12,480.72 × 2,477
  4. Step 4: Simplify right side
    8,320.04x = 30,914,743.44
  5. Step 5: Solve for x
    x = 30,914,743.44/8,320.04
  6. Step 6: Final answer
    x = 3,715.70

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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.