Home / 5,403.28-8,107.38-2,442.50

Finding the Fourth Proportional to 5,403.28, 8,107.38 and 2,442.50

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Solution

The fourth proportional to 5,403.28, 8,107.38 and 2,442.50 is: 3,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.28 : 8,107.38 = 2,442.50 : x
  2. Step 2: Convert to fraction form
    5,403.28/8,107.38 = 2,442.50/x
  3. Step 3: Cross multiply
    5,403.28x = 8,107.38 × 2,442.50
  4. Step 4: Simplify right side
    5,403.28x = 19,802,275.65
  5. Step 5: Solve for x
    x = 19,802,275.65/5,403.28
  6. Step 6: Final answer
    x = 3,664.86

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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.