Home / 8,986.18-12,400.90-5,007.26

Finding the Fourth Proportional to 8,986.18, 12,400.90 and 5,007.26

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Solution

The fourth proportional to 8,986.18, 12,400.90 and 5,007.26 is: 6,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.18 : 12,400.90 = 5,007.26 : x
  2. Step 2: Convert to fraction form
    8,986.18/12,400.90 = 5,007.26/x
  3. Step 3: Cross multiply
    8,986.18x = 12,400.90 × 5,007.26
  4. Step 4: Simplify right side
    8,986.18x = 62,094,456.01
  5. Step 5: Solve for x
    x = 62,094,456.01/8,986.18
  6. Step 6: Final answer
    x = 6,910.00

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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.