Home / 7,551.72-11,329.18-2,287.14

Finding the Fourth Proportional to 7,551.72, 11,329.18 and 2,287.14

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Solution

The fourth proportional to 7,551.72, 11,329.18 and 2,287.14 is: 3,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.72 : 11,329.18 = 2,287.14 : x
  2. Step 2: Convert to fraction form
    7,551.72/11,329.18 = 2,287.14/x
  3. Step 3: Cross multiply
    7,551.72x = 11,329.18 × 2,287.14
  4. Step 4: Simplify right side
    7,551.72x = 25,911,420.75
  5. Step 5: Solve for x
    x = 25,911,420.75/7,551.72
  6. Step 6: Final answer
    x = 3,431.19

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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.