Home / 7,769.16-11,648.88-3,606.57

Finding the Fourth Proportional to 7,769.16, 11,648.88 and 3,606.57

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Solution

The fourth proportional to 7,769.16, 11,648.88 and 3,606.57 is: 5,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.16 : 11,648.88 = 3,606.57 : x
  2. Step 2: Convert to fraction form
    7,769.16/11,648.88 = 3,606.57/x
  3. Step 3: Cross multiply
    7,769.16x = 11,648.88 × 3,606.57
  4. Step 4: Simplify right side
    7,769.16x = 42,012,501.14
  5. Step 5: Solve for x
    x = 42,012,501.14/7,769.16
  6. Step 6: Final answer
    x = 5,407.60

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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.