Home / 4,861.60-6,712.72-3,740.80

Finding the Fourth Proportional to 4,861.60, 6,712.72 and 3,740.80

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Solution

The fourth proportional to 4,861.60, 6,712.72 and 3,740.80 is: 5,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.60 : 6,712.72 = 3,740.80 : x
  2. Step 2: Convert to fraction form
    4,861.60/6,712.72 = 3,740.80/x
  3. Step 3: Cross multiply
    4,861.60x = 6,712.72 × 3,740.80
  4. Step 4: Simplify right side
    4,861.60x = 25,110,942.98
  5. Step 5: Solve for x
    x = 25,110,942.98/4,861.60
  6. Step 6: Final answer
    x = 5,165.16

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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.