Home / 5,479.30-8,213.55-2,706.40

Finding the Fourth Proportional to 5,479.30, 8,213.55 and 2,706.40

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Solution

The fourth proportional to 5,479.30, 8,213.55 and 2,706.40 is: 4,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.30 : 8,213.55 = 2,706.40 : x
  2. Step 2: Convert to fraction form
    5,479.30/8,213.55 = 2,706.40/x
  3. Step 3: Cross multiply
    5,479.30x = 8,213.55 × 2,706.40
  4. Step 4: Simplify right side
    5,479.30x = 22,229,151.72
  5. Step 5: Solve for x
    x = 22,229,151.72/5,479.30
  6. Step 6: Final answer
    x = 4,056.93

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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.