Home / 4,077.20-5,616.46-3,477.74

Finding the Fourth Proportional to 4,077.20, 5,616.46 and 3,477.74

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Solution

The fourth proportional to 4,077.20, 5,616.46 and 3,477.74 is: 4,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.20 : 5,616.46 = 3,477.74 : x
  2. Step 2: Convert to fraction form
    4,077.20/5,616.46 = 3,477.74/x
  3. Step 3: Cross multiply
    4,077.20x = 5,616.46 × 3,477.74
  4. Step 4: Simplify right side
    4,077.20x = 19,532,587.60
  5. Step 5: Solve for x
    x = 19,532,587.60/4,077.20
  6. Step 6: Final answer
    x = 4,790.69

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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.