Home / 7,350.40-10,132.68-5,222.80

Finding the Fourth Proportional to 7,350.40, 10,132.68 and 5,222.80

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Solution

The fourth proportional to 7,350.40, 10,132.68 and 5,222.80 is: 7,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.40 : 10,132.68 = 5,222.80 : x
  2. Step 2: Convert to fraction form
    7,350.40/10,132.68 = 5,222.80/x
  3. Step 3: Cross multiply
    7,350.40x = 10,132.68 × 5,222.80
  4. Step 4: Simplify right side
    7,350.40x = 52,920,961.10
  5. Step 5: Solve for x
    x = 52,920,961.10/7,350.40
  6. Step 6: Final answer
    x = 7,199.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.