Home / 8,004.40-11,985.08-5,224.20

Finding the Fourth Proportional to 8,004.40, 11,985.08 and 5,224.20

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Solution

The fourth proportional to 8,004.40, 11,985.08 and 5,224.20 is: 7,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.40 : 11,985.08 = 5,224.20 : x
  2. Step 2: Convert to fraction form
    8,004.40/11,985.08 = 5,224.20/x
  3. Step 3: Cross multiply
    8,004.40x = 11,985.08 × 5,224.20
  4. Step 4: Simplify right side
    8,004.40x = 62,612,454.94
  5. Step 5: Solve for x
    x = 62,612,454.94/8,004.40
  6. Step 6: Final answer
    x = 7,822.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.