Home / 6,280.64-8,667.20-3,627.99

Finding the Fourth Proportional to 6,280.64, 8,667.20 and 3,627.99

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Solution

The fourth proportional to 6,280.64, 8,667.20 and 3,627.99 is: 5,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.64 : 8,667.20 = 3,627.99 : x
  2. Step 2: Convert to fraction form
    6,280.64/8,667.20 = 3,627.99/x
  3. Step 3: Cross multiply
    6,280.64x = 8,667.20 × 3,627.99
  4. Step 4: Simplify right side
    6,280.64x = 31,444,524.00
  5. Step 5: Solve for x
    x = 31,444,524.00/6,280.64
  6. Step 6: Final answer
    x = 5,006.58

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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.