Home / 6,854.78-10,284.90-4,082.76

Finding the Fourth Proportional to 6,854.78, 10,284.90 and 4,082.76

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Solution

The fourth proportional to 6,854.78, 10,284.90 and 4,082.76 is: 6,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.78 : 10,284.90 = 4,082.76 : x
  2. Step 2: Convert to fraction form
    6,854.78/10,284.90 = 4,082.76/x
  3. Step 3: Cross multiply
    6,854.78x = 10,284.90 × 4,082.76
  4. Step 4: Simplify right side
    6,854.78x = 41,990,778.32
  5. Step 5: Solve for x
    x = 41,990,778.32/6,854.78
  6. Step 6: Final answer
    x = 6,125.77

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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.