Home / 4,322.20-5,956.31-3,141.40

Finding the Fourth Proportional to 4,322.20, 5,956.31 and 3,141.40

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Solution

The fourth proportional to 4,322.20, 5,956.31 and 3,141.40 is: 4,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.20 : 5,956.31 = 3,141.40 : x
  2. Step 2: Convert to fraction form
    4,322.20/5,956.31 = 3,141.40/x
  3. Step 3: Cross multiply
    4,322.20x = 5,956.31 × 3,141.40
  4. Step 4: Simplify right side
    4,322.20x = 18,711,152.23
  5. Step 5: Solve for x
    x = 18,711,152.23/4,322.20
  6. Step 6: Final answer
    x = 4,329.08

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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.