Home / 4,974.68-6,862.86-3,085.76

Finding the Fourth Proportional to 4,974.68, 6,862.86 and 3,085.76

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Solution

The fourth proportional to 4,974.68, 6,862.86 and 3,085.76 is: 4,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.68 : 6,862.86 = 3,085.76 : x
  2. Step 2: Convert to fraction form
    4,974.68/6,862.86 = 3,085.76/x
  3. Step 3: Cross multiply
    4,974.68x = 6,862.86 × 3,085.76
  4. Step 4: Simplify right side
    4,974.68x = 21,177,138.87
  5. Step 5: Solve for x
    x = 21,177,138.87/4,974.68
  6. Step 6: Final answer
    x = 4,256.99

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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.