Home / 6,176.77-8,521.78-4,287.85

Finding the Fourth Proportional to 6,176.77, 8,521.78 and 4,287.85

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Solution

The fourth proportional to 6,176.77, 8,521.78 and 4,287.85 is: 5,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.77 : 8,521.78 = 4,287.85 : x
  2. Step 2: Convert to fraction form
    6,176.77/8,521.78 = 4,287.85/x
  3. Step 3: Cross multiply
    6,176.77x = 8,521.78 × 4,287.85
  4. Step 4: Simplify right side
    6,176.77x = 36,540,082.35
  5. Step 5: Solve for x
    x = 36,540,082.35/6,176.77
  6. Step 6: Final answer
    x = 5,915.73

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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.