Home / 7,148.30-10,722.98-2,217.98

Finding the Fourth Proportional to 7,148.30, 10,722.98 and 2,217.98

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Solution

The fourth proportional to 7,148.30, 10,722.98 and 2,217.98 is: 3,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.30 : 10,722.98 = 2,217.98 : x
  2. Step 2: Convert to fraction form
    7,148.30/10,722.98 = 2,217.98/x
  3. Step 3: Cross multiply
    7,148.30x = 10,722.98 × 2,217.98
  4. Step 4: Simplify right side
    7,148.30x = 23,783,387.53
  5. Step 5: Solve for x
    x = 23,783,387.53/7,148.30
  6. Step 6: Final answer
    x = 3,327.14

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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.