Home / 5,603.16-8,397.78-2,479.80

Finding the Fourth Proportional to 5,603.16, 8,397.78 and 2,479.80

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Solution

The fourth proportional to 5,603.16, 8,397.78 and 2,479.80 is: 3,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.16 : 8,397.78 = 2,479.80 : x
  2. Step 2: Convert to fraction form
    5,603.16/8,397.78 = 2,479.80/x
  3. Step 3: Cross multiply
    5,603.16x = 8,397.78 × 2,479.80
  4. Step 4: Simplify right side
    5,603.16x = 20,824,814.84
  5. Step 5: Solve for x
    x = 20,824,814.84/5,603.16
  6. Step 6: Final answer
    x = 3,716.62

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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.