Home / 9,721.81-14,585.04-3,148

Finding the Fourth Proportional to 9,721.81, 14,585.04 and 3,148

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Solution

The fourth proportional to 9,721.81, 14,585.04 and 3,148 is: 4,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.81 : 14,585.04 = 3,148 : x
  2. Step 2: Convert to fraction form
    9,721.81/14,585.04 = 3,148/x
  3. Step 3: Cross multiply
    9,721.81x = 14,585.04 × 3,148
  4. Step 4: Simplify right side
    9,721.81x = 45,913,705.92
  5. Step 5: Solve for x
    x = 45,913,705.92/9,721.81
  6. Step 6: Final answer
    x = 4,722.75

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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.