Home / 4,865.29-6,711.69-2,874.88

Finding the Fourth Proportional to 4,865.29, 6,711.69 and 2,874.88

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Solution

The fourth proportional to 4,865.29, 6,711.69 and 2,874.88 is: 3,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.29 : 6,711.69 = 2,874.88 : x
  2. Step 2: Convert to fraction form
    4,865.29/6,711.69 = 2,874.88/x
  3. Step 3: Cross multiply
    4,865.29x = 6,711.69 × 2,874.88
  4. Step 4: Simplify right side
    4,865.29x = 19,295,303.35
  5. Step 5: Solve for x
    x = 19,295,303.35/4,865.29
  6. Step 6: Final answer
    x = 3,965.91

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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.