Home / 4,043.42-6,065.12-1,121.72

Finding the Fourth Proportional to 4,043.42, 6,065.12 and 1,121.72

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Solution

The fourth proportional to 4,043.42, 6,065.12 and 1,121.72 is: 1,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.42 : 6,065.12 = 1,121.72 : x
  2. Step 2: Convert to fraction form
    4,043.42/6,065.12 = 1,121.72/x
  3. Step 3: Cross multiply
    4,043.42x = 6,065.12 × 1,121.72
  4. Step 4: Simplify right side
    4,043.42x = 6,803,359.53
  5. Step 5: Solve for x
    x = 6,803,359.53/4,043.42
  6. Step 6: Final answer
    x = 1,682.58

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Similar ratio
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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.