Home / 6,661.01-9,186.55-4,007.92

Finding the Fourth Proportional to 6,661.01, 9,186.55 and 4,007.92

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Solution

The fourth proportional to 6,661.01, 9,186.55 and 4,007.92 is: 5,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.01 : 9,186.55 = 4,007.92 : x
  2. Step 2: Convert to fraction form
    6,661.01/9,186.55 = 4,007.92/x
  3. Step 3: Cross multiply
    6,661.01x = 9,186.55 × 4,007.92
  4. Step 4: Simplify right side
    6,661.01x = 36,818,937.44
  5. Step 5: Solve for x
    x = 36,818,937.44/6,661.01
  6. Step 6: Final answer
    x = 5,527.53

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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.