Home / 7,231.07-10,768.85-6,985.04

Finding the Fourth Proportional to 7,231.07, 10,768.85 and 6,985.04

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Solution

The fourth proportional to 7,231.07, 10,768.85 and 6,985.04 is: 10,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.07 : 10,768.85 = 6,985.04 : x
  2. Step 2: Convert to fraction form
    7,231.07/10,768.85 = 6,985.04/x
  3. Step 3: Cross multiply
    7,231.07x = 10,768.85 × 6,985.04
  4. Step 4: Simplify right side
    7,231.07x = 75,220,785.43
  5. Step 5: Solve for x
    x = 75,220,785.43/7,231.07
  6. Step 6: Final answer
    x = 10,402.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.