Home / 7,618.48-11,428.92-3,235.96

Finding the Fourth Proportional to 7,618.48, 11,428.92 and 3,235.96

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Solution

The fourth proportional to 7,618.48, 11,428.92 and 3,235.96 is: 4,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.48 : 11,428.92 = 3,235.96 : x
  2. Step 2: Convert to fraction form
    7,618.48/11,428.92 = 3,235.96/x
  3. Step 3: Cross multiply
    7,618.48x = 11,428.92 × 3,235.96
  4. Step 4: Simplify right side
    7,618.48x = 36,983,527.96
  5. Step 5: Solve for x
    x = 36,983,527.96/7,618.48
  6. Step 6: Final answer
    x = 4,854.45

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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.