Home / 7,880.13-10,874.55-4,343.34

Finding the Fourth Proportional to 7,880.13, 10,874.55 and 4,343.34

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Solution

The fourth proportional to 7,880.13, 10,874.55 and 4,343.34 is: 5,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.13 : 10,874.55 = 4,343.34 : x
  2. Step 2: Convert to fraction form
    7,880.13/10,874.55 = 4,343.34/x
  3. Step 3: Cross multiply
    7,880.13x = 10,874.55 × 4,343.34
  4. Step 4: Simplify right side
    7,880.13x = 47,231,868.00
  5. Step 5: Solve for x
    x = 47,231,868.00/7,880.13
  6. Step 6: Final answer
    x = 5,993.79

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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.