Home / 7,887.20-10,884.30-4,350.38

Finding the Fourth Proportional to 7,887.20, 10,884.30 and 4,350.38

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Solution

The fourth proportional to 7,887.20, 10,884.30 and 4,350.38 is: 6,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.20 : 10,884.30 = 4,350.38 : x
  2. Step 2: Convert to fraction form
    7,887.20/10,884.30 = 4,350.38/x
  3. Step 3: Cross multiply
    7,887.20x = 10,884.30 × 4,350.38
  4. Step 4: Simplify right side
    7,887.20x = 47,350,841.03
  5. Step 5: Solve for x
    x = 47,350,841.03/7,887.20
  6. Step 6: Final answer
    x = 6,003.50

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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.