Home / 8,988.43-12,404.07-5,212.33

Finding the Fourth Proportional to 8,988.43, 12,404.07 and 5,212.33

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Solution

The fourth proportional to 8,988.43, 12,404.07 and 5,212.33 is: 7,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.43 : 12,404.07 = 5,212.33 : x
  2. Step 2: Convert to fraction form
    8,988.43/12,404.07 = 5,212.33/x
  3. Step 3: Cross multiply
    8,988.43x = 12,404.07 × 5,212.33
  4. Step 4: Simplify right side
    8,988.43x = 64,654,106.18
  5. Step 5: Solve for x
    x = 64,654,106.18/8,988.43
  6. Step 6: Final answer
    x = 7,193.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.