Home / 7,590.75-11,386.13-2,659.28

Finding the Fourth Proportional to 7,590.75, 11,386.13 and 2,659.28

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Solution

The fourth proportional to 7,590.75, 11,386.13 and 2,659.28 is: 3,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.75 : 11,386.13 = 2,659.28 : x
  2. Step 2: Convert to fraction form
    7,590.75/11,386.13 = 2,659.28/x
  3. Step 3: Cross multiply
    7,590.75x = 11,386.13 × 2,659.28
  4. Step 4: Simplify right side
    7,590.75x = 30,278,837.56
  5. Step 5: Solve for x
    x = 30,278,837.56/7,590.75
  6. Step 6: Final answer
    x = 3,988.91

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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.