Home / 4,077.50-5,626.46-2,309.05

Finding the Fourth Proportional to 4,077.50, 5,626.46 and 2,309.05

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Solution

The fourth proportional to 4,077.50, 5,626.46 and 2,309.05 is: 3,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.50 : 5,626.46 = 2,309.05 : x
  2. Step 2: Convert to fraction form
    4,077.50/5,626.46 = 2,309.05/x
  3. Step 3: Cross multiply
    4,077.50x = 5,626.46 × 2,309.05
  4. Step 4: Simplify right side
    4,077.50x = 12,991,737.79
  5. Step 5: Solve for x
    x = 12,991,737.79/4,077.50
  6. Step 6: Final answer
    x = 3,186.20

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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.