Home / 7,555.28-11,328.48-2,288.70

Finding the Fourth Proportional to 7,555.28, 11,328.48 and 2,288.70

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Solution

The fourth proportional to 7,555.28, 11,328.48 and 2,288.70 is: 3,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.28 : 11,328.48 = 2,288.70 : x
  2. Step 2: Convert to fraction form
    7,555.28/11,328.48 = 2,288.70/x
  3. Step 3: Cross multiply
    7,555.28x = 11,328.48 × 2,288.70
  4. Step 4: Simplify right side
    7,555.28x = 25,927,492.18
  5. Step 5: Solve for x
    x = 25,927,492.18/7,555.28
  6. Step 6: Final answer
    x = 3,431.71

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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.