Home / 4,612.50-6,921.59-2,422.80

Finding the Fourth Proportional to 4,612.50, 6,921.59 and 2,422.80

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Solution

The fourth proportional to 4,612.50, 6,921.59 and 2,422.80 is: 3,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.50 : 6,921.59 = 2,422.80 : x
  2. Step 2: Convert to fraction form
    4,612.50/6,921.59 = 2,422.80/x
  3. Step 3: Cross multiply
    4,612.50x = 6,921.59 × 2,422.80
  4. Step 4: Simplify right side
    4,612.50x = 16,769,628.25
  5. Step 5: Solve for x
    x = 16,769,628.25/4,612.50
  6. Step 6: Final answer
    x = 3,635.69

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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.