Home / 9,721.94-14,585.04-3,148.80

Finding the Fourth Proportional to 9,721.94, 14,585.04 and 3,148.80

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Solution

The fourth proportional to 9,721.94, 14,585.04 and 3,148.80 is: 4,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.94 : 14,585.04 = 3,148.80 : x
  2. Step 2: Convert to fraction form
    9,721.94/14,585.04 = 3,148.80/x
  3. Step 3: Cross multiply
    9,721.94x = 14,585.04 × 3,148.80
  4. Step 4: Simplify right side
    9,721.94x = 45,925,373.95
  5. Step 5: Solve for x
    x = 45,925,373.95/9,721.94
  6. Step 6: Final answer
    x = 4,723.89

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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.