Home / 6,699.74-9,245.66-3,715.85

Finding the Fourth Proportional to 6,699.74, 9,245.66 and 3,715.85

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Solution

The fourth proportional to 6,699.74, 9,245.66 and 3,715.85 is: 5,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.74 : 9,245.66 = 3,715.85 : x
  2. Step 2: Convert to fraction form
    6,699.74/9,245.66 = 3,715.85/x
  3. Step 3: Cross multiply
    6,699.74x = 9,245.66 × 3,715.85
  4. Step 4: Simplify right side
    6,699.74x = 34,355,471.89
  5. Step 5: Solve for x
    x = 34,355,471.89/6,699.74
  6. Step 6: Final answer
    x = 5,127.88

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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.