Home / 5,077.57-7,612.26-2,153.83

Finding the Fourth Proportional to 5,077.57, 7,612.26 and 2,153.83

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Solution

The fourth proportional to 5,077.57, 7,612.26 and 2,153.83 is: 3,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.57 : 7,612.26 = 2,153.83 : x
  2. Step 2: Convert to fraction form
    5,077.57/7,612.26 = 2,153.83/x
  3. Step 3: Cross multiply
    5,077.57x = 7,612.26 × 2,153.83
  4. Step 4: Simplify right side
    5,077.57x = 16,395,513.96
  5. Step 5: Solve for x
    x = 16,395,513.96/5,077.57
  6. Step 6: Final answer
    x = 3,229.01

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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.