Home / 7,439.30-11,157.20-2,173.19

Finding the Fourth Proportional to 7,439.30, 11,157.20 and 2,173.19

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Solution

The fourth proportional to 7,439.30, 11,157.20 and 2,173.19 is: 3,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.30 : 11,157.20 = 2,173.19 : x
  2. Step 2: Convert to fraction form
    7,439.30/11,157.20 = 2,173.19/x
  3. Step 3: Cross multiply
    7,439.30x = 11,157.20 × 2,173.19
  4. Step 4: Simplify right side
    7,439.30x = 24,246,732.50
  5. Step 5: Solve for x
    x = 24,246,732.50/7,439.30
  6. Step 6: Final answer
    x = 3,259.28

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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.