Home / 7,475.91-11,208.66-3,313.63

Finding the Fourth Proportional to 7,475.91, 11,208.66 and 3,313.63

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Solution

The fourth proportional to 7,475.91, 11,208.66 and 3,313.63 is: 4,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.91 : 11,208.66 = 3,313.63 : x
  2. Step 2: Convert to fraction form
    7,475.91/11,208.66 = 3,313.63/x
  3. Step 3: Cross multiply
    7,475.91x = 11,208.66 × 3,313.63
  4. Step 4: Simplify right side
    7,475.91x = 37,141,352.04
  5. Step 5: Solve for x
    x = 37,141,352.04/7,475.91
  6. Step 6: Final answer
    x = 4,968.14

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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.