Home / 5,452.12-8,178.06-2,374.12

Finding the Fourth Proportional to 5,452.12, 8,178.06 and 2,374.12

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Solution

The fourth proportional to 5,452.12, 8,178.06 and 2,374.12 is: 3,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.12 : 8,178.06 = 2,374.12 : x
  2. Step 2: Convert to fraction form
    5,452.12/8,178.06 = 2,374.12/x
  3. Step 3: Cross multiply
    5,452.12x = 8,178.06 × 2,374.12
  4. Step 4: Simplify right side
    5,452.12x = 19,415,695.81
  5. Step 5: Solve for x
    x = 19,415,695.81/5,452.12
  6. Step 6: Final answer
    x = 3,561.13

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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.