Home / 5,409.01-8,110.23-2,118.16

Finding the Fourth Proportional to 5,409.01, 8,110.23 and 2,118.16

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Solution

The fourth proportional to 5,409.01, 8,110.23 and 2,118.16 is: 3,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.01 : 8,110.23 = 2,118.16 : x
  2. Step 2: Convert to fraction form
    5,409.01/8,110.23 = 2,118.16/x
  3. Step 3: Cross multiply
    5,409.01x = 8,110.23 × 2,118.16
  4. Step 4: Simplify right side
    5,409.01x = 17,178,764.78
  5. Step 5: Solve for x
    x = 17,178,764.78/5,409.01
  6. Step 6: Final answer
    x = 3,175.95

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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.