Home / 8,566.89-11,822.92-5,209.08

Finding the Fourth Proportional to 8,566.89, 11,822.92 and 5,209.08

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Solution

The fourth proportional to 8,566.89, 11,822.92 and 5,209.08 is: 7,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.89 : 11,822.92 = 5,209.08 : x
  2. Step 2: Convert to fraction form
    8,566.89/11,822.92 = 5,209.08/x
  3. Step 3: Cross multiply
    8,566.89x = 11,822.92 × 5,209.08
  4. Step 4: Simplify right side
    8,566.89x = 61,586,523.09
  5. Step 5: Solve for x
    x = 61,586,523.09/8,566.89
  6. Step 6: Final answer
    x = 7,188.90

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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.