Home / 7,357.72-11,036.57-1,811.15

Finding the Fourth Proportional to 7,357.72, 11,036.57 and 1,811.15

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Solution

The fourth proportional to 7,357.72, 11,036.57 and 1,811.15 is: 2,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.72 : 11,036.57 = 1,811.15 : x
  2. Step 2: Convert to fraction form
    7,357.72/11,036.57 = 1,811.15/x
  3. Step 3: Cross multiply
    7,357.72x = 11,036.57 × 1,811.15
  4. Step 4: Simplify right side
    7,357.72x = 19,988,883.76
  5. Step 5: Solve for x
    x = 19,988,883.76/7,357.72
  6. Step 6: Final answer
    x = 2,716.72

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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.