Home / 4,612.47-6,884.64-4,287.39

Finding the Fourth Proportional to 4,612.47, 6,884.64 and 4,287.39

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Solution

The fourth proportional to 4,612.47, 6,884.64 and 4,287.39 is: 6,399.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.47 : 6,884.64 = 4,287.39 : x
  2. Step 2: Convert to fraction form
    4,612.47/6,884.64 = 4,287.39/x
  3. Step 3: Cross multiply
    4,612.47x = 6,884.64 × 4,287.39
  4. Step 4: Simplify right side
    4,612.47x = 29,517,136.69
  5. Step 5: Solve for x
    x = 29,517,136.69/4,612.47
  6. Step 6: Final answer
    x = 6,399.42

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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.