Home / 4,509.91-6,223.70-2,520.55

Finding the Fourth Proportional to 4,509.91, 6,223.70 and 2,520.55

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Solution

The fourth proportional to 4,509.91, 6,223.70 and 2,520.55 is: 3,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.91 : 6,223.70 = 2,520.55 : x
  2. Step 2: Convert to fraction form
    4,509.91/6,223.70 = 2,520.55/x
  3. Step 3: Cross multiply
    4,509.91x = 6,223.70 × 2,520.55
  4. Step 4: Simplify right side
    4,509.91x = 15,687,161.12
  5. Step 5: Solve for x
    x = 15,687,161.12/4,509.91
  6. Step 6: Final answer
    x = 3,478.37

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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.