Home / 7,311.12-10,089.30-4,167.27

Finding the Fourth Proportional to 7,311.12, 10,089.30 and 4,167.27

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Solution

The fourth proportional to 7,311.12, 10,089.30 and 4,167.27 is: 5,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.12 : 10,089.30 = 4,167.27 : x
  2. Step 2: Convert to fraction form
    7,311.12/10,089.30 = 4,167.27/x
  3. Step 3: Cross multiply
    7,311.12x = 10,089.30 × 4,167.27
  4. Step 4: Simplify right side
    7,311.12x = 42,044,837.21
  5. Step 5: Solve for x
    x = 42,044,837.21/7,311.12
  6. Step 6: Final answer
    x = 5,750.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.