Home / 7,871.37-10,862.56-4,334.66

Finding the Fourth Proportional to 7,871.37, 10,862.56 and 4,334.66

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Solution

The fourth proportional to 7,871.37, 10,862.56 and 4,334.66 is: 5,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.37 : 10,862.56 = 4,334.66 : x
  2. Step 2: Convert to fraction form
    7,871.37/10,862.56 = 4,334.66/x
  3. Step 3: Cross multiply
    7,871.37x = 10,862.56 × 4,334.66
  4. Step 4: Simplify right side
    7,871.37x = 47,085,504.33
  5. Step 5: Solve for x
    x = 47,085,504.33/7,871.37
  6. Step 6: Final answer
    x = 5,981.87

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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.