Home / 7,508.80-11,253.88-4,224.24

Finding the Fourth Proportional to 7,508.80, 11,253.88 and 4,224.24

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Solution

The fourth proportional to 7,508.80, 11,253.88 and 4,224.24 is: 6,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.80 : 11,253.88 = 4,224.24 : x
  2. Step 2: Convert to fraction form
    7,508.80/11,253.88 = 4,224.24/x
  3. Step 3: Cross multiply
    7,508.80x = 11,253.88 × 4,224.24
  4. Step 4: Simplify right side
    7,508.80x = 47,539,090.05
  5. Step 5: Solve for x
    x = 47,539,090.05/7,508.80
  6. Step 6: Final answer
    x = 6,331.12

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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.