Home / 4,378.08-6,567.81-1,455.71

Finding the Fourth Proportional to 4,378.08, 6,567.81 and 1,455.71

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Solution

The fourth proportional to 4,378.08, 6,567.81 and 1,455.71 is: 2,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.08 : 6,567.81 = 1,455.71 : x
  2. Step 2: Convert to fraction form
    4,378.08/6,567.81 = 1,455.71/x
  3. Step 3: Cross multiply
    4,378.08x = 6,567.81 × 1,455.71
  4. Step 4: Simplify right side
    4,378.08x = 9,560,793.86
  5. Step 5: Solve for x
    x = 9,560,793.86/4,378.08
  6. Step 6: Final answer
    x = 2,183.79

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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.