Home / 4,505.71-6,758.56-3,280.91

Finding the Fourth Proportional to 4,505.71, 6,758.56 and 3,280.91

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Solution

The fourth proportional to 4,505.71, 6,758.56 and 3,280.91 is: 4,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.71 : 6,758.56 = 3,280.91 : x
  2. Step 2: Convert to fraction form
    4,505.71/6,758.56 = 3,280.91/x
  3. Step 3: Cross multiply
    4,505.71x = 6,758.56 × 3,280.91
  4. Step 4: Simplify right side
    4,505.71x = 22,174,260.58
  5. Step 5: Solve for x
    x = 22,174,260.58/4,505.71
  6. Step 6: Final answer
    x = 4,921.37

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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.