Home / 6,319.88-9,476.31-2,421.08

Finding the Fourth Proportional to 6,319.88, 9,476.31 and 2,421.08

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Solution

The fourth proportional to 6,319.88, 9,476.31 and 2,421.08 is: 3,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.88 : 9,476.31 = 2,421.08 : x
  2. Step 2: Convert to fraction form
    6,319.88/9,476.31 = 2,421.08/x
  3. Step 3: Cross multiply
    6,319.88x = 9,476.31 × 2,421.08
  4. Step 4: Simplify right side
    6,319.88x = 22,942,904.61
  5. Step 5: Solve for x
    x = 22,942,904.61/6,319.88
  6. Step 6: Final answer
    x = 3,630.28

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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.