Home / 4,077.60-6,116.40-3,904.80

Finding the Fourth Proportional to 4,077.60, 6,116.40 and 3,904.80

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Solution

The fourth proportional to 4,077.60, 6,116.40 and 3,904.80 is: 5,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.60 : 6,116.40 = 3,904.80 : x
  2. Step 2: Convert to fraction form
    4,077.60/6,116.40 = 3,904.80/x
  3. Step 3: Cross multiply
    4,077.60x = 6,116.40 × 3,904.80
  4. Step 4: Simplify right side
    4,077.60x = 23,883,318.72
  5. Step 5: Solve for x
    x = 23,883,318.72/4,077.60
  6. Step 6: Final answer
    x = 5,857.20

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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.