Home / 7,590.12-11,387.40-3,146.97

Finding the Fourth Proportional to 7,590.12, 11,387.40 and 3,146.97

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Solution

The fourth proportional to 7,590.12, 11,387.40 and 3,146.97 is: 4,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.12 : 11,387.40 = 3,146.97 : x
  2. Step 2: Convert to fraction form
    7,590.12/11,387.40 = 3,146.97/x
  3. Step 3: Cross multiply
    7,590.12x = 11,387.40 × 3,146.97
  4. Step 4: Simplify right side
    7,590.12x = 35,835,806.18
  5. Step 5: Solve for x
    x = 35,835,806.18/7,590.12
  6. Step 6: Final answer
    x = 4,721.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.