Home / 7,086.72-10,620.96-6,207.12

Finding the Fourth Proportional to 7,086.72, 10,620.96 and 6,207.12

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Solution

The fourth proportional to 7,086.72, 10,620.96 and 6,207.12 is: 9,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.72 : 10,620.96 = 6,207.12 : x
  2. Step 2: Convert to fraction form
    7,086.72/10,620.96 = 6,207.12/x
  3. Step 3: Cross multiply
    7,086.72x = 10,620.96 × 6,207.12
  4. Step 4: Simplify right side
    7,086.72x = 65,925,573.24
  5. Step 5: Solve for x
    x = 65,925,573.24/7,086.72
  6. Step 6: Final answer
    x = 9,302.69

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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.