Home / 4,320.56-6,478.78-2,343.03

Finding the Fourth Proportional to 4,320.56, 6,478.78 and 2,343.03

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Solution

The fourth proportional to 4,320.56, 6,478.78 and 2,343.03 is: 3,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.56 : 6,478.78 = 2,343.03 : x
  2. Step 2: Convert to fraction form
    4,320.56/6,478.78 = 2,343.03/x
  3. Step 3: Cross multiply
    4,320.56x = 6,478.78 × 2,343.03
  4. Step 4: Simplify right side
    4,320.56x = 15,179,975.90
  5. Step 5: Solve for x
    x = 15,179,975.90/4,320.56
  6. Step 6: Final answer
    x = 3,513.43

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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.