Home / 8,814.32-13,203.48-4,920.80

Finding the Fourth Proportional to 8,814.32, 13,203.48 and 4,920.80

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Solution

The fourth proportional to 8,814.32, 13,203.48 and 4,920.80 is: 7,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.32 : 13,203.48 = 4,920.80 : x
  2. Step 2: Convert to fraction form
    8,814.32/13,203.48 = 4,920.80/x
  3. Step 3: Cross multiply
    8,814.32x = 13,203.48 × 4,920.80
  4. Step 4: Simplify right side
    8,814.32x = 64,971,684.38
  5. Step 5: Solve for x
    x = 64,971,684.38/8,814.32
  6. Step 6: Final answer
    x = 7,371.15

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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.