Home / 5,455.74-8,184.35-2,169.18

Finding the Fourth Proportional to 5,455.74, 8,184.35 and 2,169.18

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Solution

The fourth proportional to 5,455.74, 8,184.35 and 2,169.18 is: 3,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.74 : 8,184.35 = 2,169.18 : x
  2. Step 2: Convert to fraction form
    5,455.74/8,184.35 = 2,169.18/x
  3. Step 3: Cross multiply
    5,455.74x = 8,184.35 × 2,169.18
  4. Step 4: Simplify right side
    5,455.74x = 17,753,328.33
  5. Step 5: Solve for x
    x = 17,753,328.33/5,455.74
  6. Step 6: Final answer
    x = 3,254.06

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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.