Home / 8,863.90-12,232.46-5,087.75

Finding the Fourth Proportional to 8,863.90, 12,232.46 and 5,087.75

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Solution

The fourth proportional to 8,863.90, 12,232.46 and 5,087.75 is: 7,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.90 : 12,232.46 = 5,087.75 : x
  2. Step 2: Convert to fraction form
    8,863.90/12,232.46 = 5,087.75/x
  3. Step 3: Cross multiply
    8,863.90x = 12,232.46 × 5,087.75
  4. Step 4: Simplify right side
    8,863.90x = 62,235,703.51
  5. Step 5: Solve for x
    x = 62,235,703.51/8,863.90
  6. Step 6: Final answer
    x = 7,021.26

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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.