Home / 7,880.34-10,874.49-4,343.52

Finding the Fourth Proportional to 7,880.34, 10,874.49 and 4,343.52

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Solution

The fourth proportional to 7,880.34, 10,874.49 and 4,343.52 is: 5,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.34 : 10,874.49 = 4,343.52 : x
  2. Step 2: Convert to fraction form
    7,880.34/10,874.49 = 4,343.52/x
  3. Step 3: Cross multiply
    7,880.34x = 10,874.49 × 4,343.52
  4. Step 4: Simplify right side
    7,880.34x = 47,233,564.80
  5. Step 5: Solve for x
    x = 47,233,564.80/7,880.34
  6. Step 6: Final answer
    x = 5,993.85

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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.