Home / 7,499.21-11,248.80-2,234.20

Finding the Fourth Proportional to 7,499.21, 11,248.80 and 2,234.20

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Solution

The fourth proportional to 7,499.21, 11,248.80 and 2,234.20 is: 3,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.21 : 11,248.80 = 2,234.20 : x
  2. Step 2: Convert to fraction form
    7,499.21/11,248.80 = 2,234.20/x
  3. Step 3: Cross multiply
    7,499.21x = 11,248.80 × 2,234.20
  4. Step 4: Simplify right side
    7,499.21x = 25,132,068.96
  5. Step 5: Solve for x
    x = 25,132,068.96/7,499.21
  6. Step 6: Final answer
    x = 3,351.30

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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.