Home / 8,849.78-12,212.84-5,073.28

Finding the Fourth Proportional to 8,849.78, 12,212.84 and 5,073.28

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Solution

The fourth proportional to 8,849.78, 12,212.84 and 5,073.28 is: 7,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.78 : 12,212.84 = 5,073.28 : x
  2. Step 2: Convert to fraction form
    8,849.78/12,212.84 = 5,073.28/x
  3. Step 3: Cross multiply
    8,849.78x = 12,212.84 × 5,073.28
  4. Step 4: Simplify right side
    8,849.78x = 61,959,156.92
  5. Step 5: Solve for x
    x = 61,959,156.92/8,849.78
  6. Step 6: Final answer
    x = 7,001.21

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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.