Home / 4,381.38-6,043.68-2,806.74

Finding the Fourth Proportional to 4,381.38, 6,043.68 and 2,806.74

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Solution

The fourth proportional to 4,381.38, 6,043.68 and 2,806.74 is: 3,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.38 : 6,043.68 = 2,806.74 : x
  2. Step 2: Convert to fraction form
    4,381.38/6,043.68 = 2,806.74/x
  3. Step 3: Cross multiply
    4,381.38x = 6,043.68 × 2,806.74
  4. Step 4: Simplify right side
    4,381.38x = 16,963,038.40
  5. Step 5: Solve for x
    x = 16,963,038.40/4,381.38
  6. Step 6: Final answer
    x = 3,871.62

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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.