Home / 7,519.19-11,278.66-2,588.72

Finding the Fourth Proportional to 7,519.19, 11,278.66 and 2,588.72

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Solution

The fourth proportional to 7,519.19, 11,278.66 and 2,588.72 is: 3,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.19 : 11,278.66 = 2,588.72 : x
  2. Step 2: Convert to fraction form
    7,519.19/11,278.66 = 2,588.72/x
  3. Step 3: Cross multiply
    7,519.19x = 11,278.66 × 2,588.72
  4. Step 4: Simplify right side
    7,519.19x = 29,197,303.09
  5. Step 5: Solve for x
    x = 29,197,303.09/7,519.19
  6. Step 6: Final answer
    x = 3,883.04

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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.