Home / 7,705.62-11,554.08-5,243.76

Finding the Fourth Proportional to 7,705.62, 11,554.08 and 5,243.76

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Solution

The fourth proportional to 7,705.62, 11,554.08 and 5,243.76 is: 7,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.62 : 11,554.08 = 5,243.76 : x
  2. Step 2: Convert to fraction form
    7,705.62/11,554.08 = 5,243.76/x
  3. Step 3: Cross multiply
    7,705.62x = 11,554.08 × 5,243.76
  4. Step 4: Simplify right side
    7,705.62x = 60,586,822.54
  5. Step 5: Solve for x
    x = 60,586,822.54/7,705.62
  6. Step 6: Final answer
    x = 7,862.68

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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.