Home / 6,315.79-9,468.33-2,615.71

Finding the Fourth Proportional to 6,315.79, 9,468.33 and 2,615.71

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Solution

The fourth proportional to 6,315.79, 9,468.33 and 2,615.71 is: 3,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.79 : 9,468.33 = 2,615.71 : x
  2. Step 2: Convert to fraction form
    6,315.79/9,468.33 = 2,615.71/x
  3. Step 3: Cross multiply
    6,315.79x = 9,468.33 × 2,615.71
  4. Step 4: Simplify right side
    6,315.79x = 24,766,405.46
  5. Step 5: Solve for x
    x = 24,766,405.46/6,315.79
  6. Step 6: Final answer
    x = 3,921.35

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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.