Home / 4,147.04-6,219.92-1,224.72

Finding the Fourth Proportional to 4,147.04, 6,219.92 and 1,224.72

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Solution

The fourth proportional to 4,147.04, 6,219.92 and 1,224.72 is: 1,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.04 : 6,219.92 = 1,224.72 : x
  2. Step 2: Convert to fraction form
    4,147.04/6,219.92 = 1,224.72/x
  3. Step 3: Cross multiply
    4,147.04x = 6,219.92 × 1,224.72
  4. Step 4: Simplify right side
    4,147.04x = 7,617,660.42
  5. Step 5: Solve for x
    x = 7,617,660.42/4,147.04
  6. Step 6: Final answer
    x = 1,836.89

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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.