Home / 5,194.32-7,167.91-2,956.40

Finding the Fourth Proportional to 5,194.32, 7,167.91 and 2,956.40

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Solution

The fourth proportional to 5,194.32, 7,167.91 and 2,956.40 is: 4,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.32 : 7,167.91 = 2,956.40 : x
  2. Step 2: Convert to fraction form
    5,194.32/7,167.91 = 2,956.40/x
  3. Step 3: Cross multiply
    5,194.32x = 7,167.91 × 2,956.40
  4. Step 4: Simplify right side
    5,194.32x = 21,191,158.50
  5. Step 5: Solve for x
    x = 21,191,158.50/5,194.32
  6. Step 6: Final answer
    x = 4,079.68

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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.