Home / 7,160.04-9,882.09-4,177.62

Finding the Fourth Proportional to 7,160.04, 9,882.09 and 4,177.62

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Solution

The fourth proportional to 7,160.04, 9,882.09 and 4,177.62 is: 5,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.04 : 9,882.09 = 4,177.62 : x
  2. Step 2: Convert to fraction form
    7,160.04/9,882.09 = 4,177.62/x
  3. Step 3: Cross multiply
    7,160.04x = 9,882.09 × 4,177.62
  4. Step 4: Simplify right side
    7,160.04x = 41,283,616.83
  5. Step 5: Solve for x
    x = 41,283,616.83/7,160.04
  6. Step 6: Final answer
    x = 5,765.84

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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.