Home / 5,440.23-8,160.62-2,668.19

Finding the Fourth Proportional to 5,440.23, 8,160.62 and 2,668.19

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Solution

The fourth proportional to 5,440.23, 8,160.62 and 2,668.19 is: 4,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.23 : 8,160.62 = 2,668.19 : x
  2. Step 2: Convert to fraction form
    5,440.23/8,160.62 = 2,668.19/x
  3. Step 3: Cross multiply
    5,440.23x = 8,160.62 × 2,668.19
  4. Step 4: Simplify right side
    5,440.23x = 21,774,030.53
  5. Step 5: Solve for x
    x = 21,774,030.53/5,440.23
  6. Step 6: Final answer
    x = 4,002.41

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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.