Home / 4,118.60-6,178.26-1,521.56

Finding the Fourth Proportional to 4,118.60, 6,178.26 and 1,521.56

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Solution

The fourth proportional to 4,118.60, 6,178.26 and 1,521.56 is: 2,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.60 : 6,178.26 = 1,521.56 : x
  2. Step 2: Convert to fraction form
    4,118.60/6,178.26 = 1,521.56/x
  3. Step 3: Cross multiply
    4,118.60x = 6,178.26 × 1,521.56
  4. Step 4: Simplify right side
    4,118.60x = 9,400,593.29
  5. Step 5: Solve for x
    x = 9,400,593.29/4,118.60
  6. Step 6: Final answer
    x = 2,282.47

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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.