Home / 3,885.04-5,818.24-3,418.08

Finding the Fourth Proportional to 3,885.04, 5,818.24 and 3,418.08

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Solution

The fourth proportional to 3,885.04, 5,818.24 and 3,418.08 is: 5,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.04 : 5,818.24 = 3,418.08 : x
  2. Step 2: Convert to fraction form
    3,885.04/5,818.24 = 3,418.08/x
  3. Step 3: Cross multiply
    3,885.04x = 5,818.24 × 3,418.08
  4. Step 4: Simplify right side
    3,885.04x = 19,887,209.78
  5. Step 5: Solve for x
    x = 19,887,209.78/3,885.04
  6. Step 6: Final answer
    x = 5,118.92

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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.