Home / 7,871.44-10,862.12-4,334.56

Finding the Fourth Proportional to 7,871.44, 10,862.12 and 4,334.56

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Solution

The fourth proportional to 7,871.44, 10,862.12 and 4,334.56 is: 5,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.44 : 10,862.12 = 4,334.56 : x
  2. Step 2: Convert to fraction form
    7,871.44/10,862.12 = 4,334.56/x
  3. Step 3: Cross multiply
    7,871.44x = 10,862.12 × 4,334.56
  4. Step 4: Simplify right side
    7,871.44x = 47,082,510.87
  5. Step 5: Solve for x
    x = 47,082,510.87/7,871.44
  6. Step 6: Final answer
    x = 5,981.44

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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.