Home / 5,678.24-8,516.88-2,215.49

Finding the Fourth Proportional to 5,678.24, 8,516.88 and 2,215.49

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Solution

The fourth proportional to 5,678.24, 8,516.88 and 2,215.49 is: 3,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.24 : 8,516.88 = 2,215.49 : x
  2. Step 2: Convert to fraction form
    5,678.24/8,516.88 = 2,215.49/x
  3. Step 3: Cross multiply
    5,678.24x = 8,516.88 × 2,215.49
  4. Step 4: Simplify right side
    5,678.24x = 18,869,019.89
  5. Step 5: Solve for x
    x = 18,869,019.89/5,678.24
  6. Step 6: Final answer
    x = 3,323.04

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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.