Home / 7,094.30-9,789.28-4,109.72

Finding the Fourth Proportional to 7,094.30, 9,789.28 and 4,109.72

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Solution

The fourth proportional to 7,094.30, 9,789.28 and 4,109.72 is: 5,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.30 : 9,789.28 = 4,109.72 : x
  2. Step 2: Convert to fraction form
    7,094.30/9,789.28 = 4,109.72/x
  3. Step 3: Cross multiply
    7,094.30x = 9,789.28 × 4,109.72
  4. Step 4: Simplify right side
    7,094.30x = 40,231,199.80
  5. Step 5: Solve for x
    x = 40,231,199.80/7,094.30
  6. Step 6: Final answer
    x = 5,670.92

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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.