Home / 7,680.84-11,521.24-5,083.18

Finding the Fourth Proportional to 7,680.84, 11,521.24 and 5,083.18

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Solution

The fourth proportional to 7,680.84, 11,521.24 and 5,083.18 is: 7,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.84 : 11,521.24 = 5,083.18 : x
  2. Step 2: Convert to fraction form
    7,680.84/11,521.24 = 5,083.18/x
  3. Step 3: Cross multiply
    7,680.84x = 11,521.24 × 5,083.18
  4. Step 4: Simplify right side
    7,680.84x = 58,564,536.74
  5. Step 5: Solve for x
    x = 58,564,536.74/7,680.84
  6. Step 6: Final answer
    x = 7,624.76

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1.5x scale

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.