Home / 7,642.13-11,459.41-2,711.03

Finding the Fourth Proportional to 7,642.13, 11,459.41 and 2,711.03

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Solution

The fourth proportional to 7,642.13, 11,459.41 and 2,711.03 is: 4,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.13 : 11,459.41 = 2,711.03 : x
  2. Step 2: Convert to fraction form
    7,642.13/11,459.41 = 2,711.03/x
  3. Step 3: Cross multiply
    7,642.13x = 11,459.41 × 2,711.03
  4. Step 4: Simplify right side
    7,642.13x = 31,066,804.29
  5. Step 5: Solve for x
    x = 31,066,804.29/7,642.13
  6. Step 6: Final answer
    x = 4,065.20

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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.