Home / 6,660.80-9,188.64-4,304.96

Finding the Fourth Proportional to 6,660.80, 9,188.64 and 4,304.96

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Solution

The fourth proportional to 6,660.80, 9,188.64 and 4,304.96 is: 5,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.80 : 9,188.64 = 4,304.96 : x
  2. Step 2: Convert to fraction form
    6,660.80/9,188.64 = 4,304.96/x
  3. Step 3: Cross multiply
    6,660.80x = 9,188.64 × 4,304.96
  4. Step 4: Simplify right side
    6,660.80x = 39,556,727.65
  5. Step 5: Solve for x
    x = 39,556,727.65/6,660.80
  6. Step 6: Final answer
    x = 5,938.74

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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.