Home / 7,370.91-10,171.79-4,013.72

Finding the Fourth Proportional to 7,370.91, 10,171.79 and 4,013.72

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Solution

The fourth proportional to 7,370.91, 10,171.79 and 4,013.72 is: 5,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.91 : 10,171.79 = 4,013.72 : x
  2. Step 2: Convert to fraction form
    7,370.91/10,171.79 = 4,013.72/x
  3. Step 3: Cross multiply
    7,370.91x = 10,171.79 × 4,013.72
  4. Step 4: Simplify right side
    7,370.91x = 40,826,646.03
  5. Step 5: Solve for x
    x = 40,826,646.03/7,370.91
  6. Step 6: Final answer
    x = 5,538.89

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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.