Home / 6,857.89-10,285.65-2,474.71

Finding the Fourth Proportional to 6,857.89, 10,285.65 and 2,474.71

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Solution

The fourth proportional to 6,857.89, 10,285.65 and 2,474.71 is: 3,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.89 : 10,285.65 = 2,474.71 : x
  2. Step 2: Convert to fraction form
    6,857.89/10,285.65 = 2,474.71/x
  3. Step 3: Cross multiply
    6,857.89x = 10,285.65 × 2,474.71
  4. Step 4: Simplify right side
    6,857.89x = 25,454,000.91
  5. Step 5: Solve for x
    x = 25,454,000.91/6,857.89
  6. Step 6: Final answer
    x = 3,711.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.