Home / 6,280.24-8,667.92-4,155.81

Finding the Fourth Proportional to 6,280.24, 8,667.92 and 4,155.81

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Solution

The fourth proportional to 6,280.24, 8,667.92 and 4,155.81 is: 5,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.24 : 8,667.92 = 4,155.81 : x
  2. Step 2: Convert to fraction form
    6,280.24/8,667.92 = 4,155.81/x
  3. Step 3: Cross multiply
    6,280.24x = 8,667.92 × 4,155.81
  4. Step 4: Simplify right side
    6,280.24x = 36,022,228.62
  5. Step 5: Solve for x
    x = 36,022,228.62/6,280.24
  6. Step 6: Final answer
    x = 5,735.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.