Home / 8,889.96-12,264.28-5,112.25

Finding the Fourth Proportional to 8,889.96, 12,264.28 and 5,112.25

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Solution

The fourth proportional to 8,889.96, 12,264.28 and 5,112.25 is: 7,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.96 : 12,264.28 = 5,112.25 : x
  2. Step 2: Convert to fraction form
    8,889.96/12,264.28 = 5,112.25/x
  3. Step 3: Cross multiply
    8,889.96x = 12,264.28 × 5,112.25
  4. Step 4: Simplify right side
    8,889.96x = 62,698,065.43
  5. Step 5: Solve for x
    x = 62,698,065.43/8,889.96
  6. Step 6: Final answer
    x = 7,052.68

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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.