Home / 7,880.20-10,874.18-4,343.43

Finding the Fourth Proportional to 7,880.20, 10,874.18 and 4,343.43

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Solution

The fourth proportional to 7,880.20, 10,874.18 and 4,343.43 is: 5,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.20 : 10,874.18 = 4,343.43 : x
  2. Step 2: Convert to fraction form
    7,880.20/10,874.18 = 4,343.43/x
  3. Step 3: Cross multiply
    7,880.20x = 10,874.18 × 4,343.43
  4. Step 4: Simplify right side
    7,880.20x = 47,231,239.64
  5. Step 5: Solve for x
    x = 47,231,239.64/7,880.20
  6. Step 6: Final answer
    x = 5,993.66

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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.