Home / 4,778.40-6,592.86-3,099.88

Finding the Fourth Proportional to 4,778.40, 6,592.86 and 3,099.88

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Solution

The fourth proportional to 4,778.40, 6,592.86 and 3,099.88 is: 4,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.40 : 6,592.86 = 3,099.88 : x
  2. Step 2: Convert to fraction form
    4,778.40/6,592.86 = 3,099.88/x
  3. Step 3: Cross multiply
    4,778.40x = 6,592.86 × 3,099.88
  4. Step 4: Simplify right side
    4,778.40x = 20,437,074.86
  5. Step 5: Solve for x
    x = 20,437,074.86/4,778.40
  6. Step 6: Final answer
    x = 4,276.97

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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.