Home / 7,887.21-10,884.31-4,350.42

Finding the Fourth Proportional to 7,887.21, 10,884.31 and 4,350.42

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Solution

The fourth proportional to 7,887.21, 10,884.31 and 4,350.42 is: 6,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.21 : 10,884.31 = 4,350.42 : x
  2. Step 2: Convert to fraction form
    7,887.21/10,884.31 = 4,350.42/x
  3. Step 3: Cross multiply
    7,887.21x = 10,884.31 × 4,350.42
  4. Step 4: Simplify right side
    7,887.21x = 47,351,319.91
  5. Step 5: Solve for x
    x = 47,351,319.91/7,887.21
  6. Step 6: Final answer
    x = 6,003.56

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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.