Home / 7,014.84-9,680.04-3,871.02

Finding the Fourth Proportional to 7,014.84, 9,680.04 and 3,871.02

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Solution

The fourth proportional to 7,014.84, 9,680.04 and 3,871.02 is: 5,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.84 : 9,680.04 = 3,871.02 : x
  2. Step 2: Convert to fraction form
    7,014.84/9,680.04 = 3,871.02/x
  3. Step 3: Cross multiply
    7,014.84x = 9,680.04 × 3,871.02
  4. Step 4: Simplify right side
    7,014.84x = 37,471,628.44
  5. Step 5: Solve for x
    x = 37,471,628.44/7,014.84
  6. Step 6: Final answer
    x = 5,341.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.