Home / 4,324.64-5,959.68-3,143.84

Finding the Fourth Proportional to 4,324.64, 5,959.68 and 3,143.84

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Solution

The fourth proportional to 4,324.64, 5,959.68 and 3,143.84 is: 4,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.64 : 5,959.68 = 3,143.84 : x
  2. Step 2: Convert to fraction form
    4,324.64/5,959.68 = 3,143.84/x
  3. Step 3: Cross multiply
    4,324.64x = 5,959.68 × 3,143.84
  4. Step 4: Simplify right side
    4,324.64x = 18,736,280.37
  5. Step 5: Solve for x
    x = 18,736,280.37/4,324.64
  6. Step 6: Final answer
    x = 4,332.45

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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.