Home / 7,110.11-10,660.59-2,952.99

Finding the Fourth Proportional to 7,110.11, 10,660.59 and 2,952.99

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Solution

The fourth proportional to 7,110.11, 10,660.59 and 2,952.99 is: 4,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.11 : 10,660.59 = 2,952.99 : x
  2. Step 2: Convert to fraction form
    7,110.11/10,660.59 = 2,952.99/x
  3. Step 3: Cross multiply
    7,110.11x = 10,660.59 × 2,952.99
  4. Step 4: Simplify right side
    7,110.11x = 31,480,615.66
  5. Step 5: Solve for x
    x = 31,480,615.66/7,110.11
  6. Step 6: Final answer
    x = 4,427.59

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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.