Home / 4,228.79-6,344.15-1,455.50

Finding the Fourth Proportional to 4,228.79, 6,344.15 and 1,455.50

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Solution

The fourth proportional to 4,228.79, 6,344.15 and 1,455.50 is: 2,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.79 : 6,344.15 = 1,455.50 : x
  2. Step 2: Convert to fraction form
    4,228.79/6,344.15 = 1,455.50/x
  3. Step 3: Cross multiply
    4,228.79x = 6,344.15 × 1,455.50
  4. Step 4: Simplify right side
    4,228.79x = 9,233,871.33
  5. Step 5: Solve for x
    x = 9,233,871.33/4,228.79
  6. Step 6: Final answer
    x = 2,183.58

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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.