Home / 7,320.76-10,967.36-3,618.65

Finding the Fourth Proportional to 7,320.76, 10,967.36 and 3,618.65

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Solution

The fourth proportional to 7,320.76, 10,967.36 and 3,618.65 is: 5,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.76 : 10,967.36 = 3,618.65 : x
  2. Step 2: Convert to fraction form
    7,320.76/10,967.36 = 3,618.65/x
  3. Step 3: Cross multiply
    7,320.76x = 10,967.36 × 3,618.65
  4. Step 4: Simplify right side
    7,320.76x = 39,687,019.17
  5. Step 5: Solve for x
    x = 39,687,019.17/7,320.76
  6. Step 6: Final answer
    x = 5,421.16

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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.