Home / 5,523.65-7,622.55-3,005.78

Finding the Fourth Proportional to 5,523.65, 7,622.55 and 3,005.78

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Solution

The fourth proportional to 5,523.65, 7,622.55 and 3,005.78 is: 4,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.65 : 7,622.55 = 3,005.78 : x
  2. Step 2: Convert to fraction form
    5,523.65/7,622.55 = 3,005.78/x
  3. Step 3: Cross multiply
    5,523.65x = 7,622.55 × 3,005.78
  4. Step 4: Simplify right side
    5,523.65x = 22,911,708.34
  5. Step 5: Solve for x
    x = 22,911,708.34/5,523.65
  6. Step 6: Final answer
    x = 4,147.93

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1.5x scale

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.