Home / 8,971.80-13,448.64-4,515.84

Finding the Fourth Proportional to 8,971.80, 13,448.64 and 4,515.84

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Solution

The fourth proportional to 8,971.80, 13,448.64 and 4,515.84 is: 6,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.80 : 13,448.64 = 4,515.84 : x
  2. Step 2: Convert to fraction form
    8,971.80/13,448.64 = 4,515.84/x
  3. Step 3: Cross multiply
    8,971.80x = 13,448.64 × 4,515.84
  4. Step 4: Simplify right side
    8,971.80x = 60,731,906.46
  5. Step 5: Solve for x
    x = 60,731,906.46/8,971.80
  6. Step 6: Final answer
    x = 6,769.20

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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.