Home / 6,211.48-9,317.64-2,315.88

Finding the Fourth Proportional to 6,211.48, 9,317.64 and 2,315.88

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Solution

The fourth proportional to 6,211.48, 9,317.64 and 2,315.88 is: 3,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.48 : 9,317.64 = 2,315.88 : x
  2. Step 2: Convert to fraction form
    6,211.48/9,317.64 = 2,315.88/x
  3. Step 3: Cross multiply
    6,211.48x = 9,317.64 × 2,315.88
  4. Step 4: Simplify right side
    6,211.48x = 21,578,536.12
  5. Step 5: Solve for x
    x = 21,578,536.12/6,211.48
  6. Step 6: Final answer
    x = 3,473.98

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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.