Home / 5,339.36-8,007.42-3,147.50

Finding the Fourth Proportional to 5,339.36, 8,007.42 and 3,147.50

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Solution

The fourth proportional to 5,339.36, 8,007.42 and 3,147.50 is: 4,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.36 : 8,007.42 = 3,147.50 : x
  2. Step 2: Convert to fraction form
    5,339.36/8,007.42 = 3,147.50/x
  3. Step 3: Cross multiply
    5,339.36x = 8,007.42 × 3,147.50
  4. Step 4: Simplify right side
    5,339.36x = 25,203,354.45
  5. Step 5: Solve for x
    x = 25,203,354.45/5,339.36
  6. Step 6: Final answer
    x = 4,720.30

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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.