Home / 4,382.78-6,535.56-4,343.29

Finding the Fourth Proportional to 4,382.78, 6,535.56 and 4,343.29

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Solution

The fourth proportional to 4,382.78, 6,535.56 and 4,343.29 is: 6,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.78 : 6,535.56 = 4,343.29 : x
  2. Step 2: Convert to fraction form
    4,382.78/6,535.56 = 4,343.29/x
  3. Step 3: Cross multiply
    4,382.78x = 6,535.56 × 4,343.29
  4. Step 4: Simplify right side
    4,382.78x = 28,385,816.05
  5. Step 5: Solve for x
    x = 28,385,816.05/4,382.78
  6. Step 6: Final answer
    x = 6,476.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.