Home / 7,530.68-11,287.38-2,911.16

Finding the Fourth Proportional to 7,530.68, 11,287.38 and 2,911.16

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Solution

The fourth proportional to 7,530.68, 11,287.38 and 2,911.16 is: 4,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.68 : 11,287.38 = 2,911.16 : x
  2. Step 2: Convert to fraction form
    7,530.68/11,287.38 = 2,911.16/x
  3. Step 3: Cross multiply
    7,530.68x = 11,287.38 × 2,911.16
  4. Step 4: Simplify right side
    7,530.68x = 32,859,369.16
  5. Step 5: Solve for x
    x = 32,859,369.16/7,530.68
  6. Step 6: Final answer
    x = 4,363.40

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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.