Home / 5,397.72-8,094.30-2,279.12

Finding the Fourth Proportional to 5,397.72, 8,094.30 and 2,279.12

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Solution

The fourth proportional to 5,397.72, 8,094.30 and 2,279.12 is: 3,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.72 : 8,094.30 = 2,279.12 : x
  2. Step 2: Convert to fraction form
    5,397.72/8,094.30 = 2,279.12/x
  3. Step 3: Cross multiply
    5,397.72x = 8,094.30 × 2,279.12
  4. Step 4: Simplify right side
    5,397.72x = 18,447,881.02
  5. Step 5: Solve for x
    x = 18,447,881.02/5,397.72
  6. Step 6: Final answer
    x = 3,417.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.