Home / 6,286.33-8,678.28-4,866.85

Finding the Fourth Proportional to 6,286.33, 8,678.28 and 4,866.85

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Solution

The fourth proportional to 6,286.33, 8,678.28 and 4,866.85 is: 6,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.33 : 8,678.28 = 4,866.85 : x
  2. Step 2: Convert to fraction form
    6,286.33/8,678.28 = 4,866.85/x
  3. Step 3: Cross multiply
    6,286.33x = 8,678.28 × 4,866.85
  4. Step 4: Simplify right side
    6,286.33x = 42,235,887.02
  5. Step 5: Solve for x
    x = 42,235,887.02/6,286.33
  6. Step 6: Final answer
    x = 6,718.69

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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.