Home / 7,550.32-11,313.88-3,165.36

Finding the Fourth Proportional to 7,550.32, 11,313.88 and 3,165.36

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Solution

The fourth proportional to 7,550.32, 11,313.88 and 3,165.36 is: 4,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.32 : 11,313.88 = 3,165.36 : x
  2. Step 2: Convert to fraction form
    7,550.32/11,313.88 = 3,165.36/x
  3. Step 3: Cross multiply
    7,550.32x = 11,313.88 × 3,165.36
  4. Step 4: Simplify right side
    7,550.32x = 35,812,503.20
  5. Step 5: Solve for x
    x = 35,812,503.20/7,550.32
  6. Step 6: Final answer
    x = 4,743.18

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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.