Home / 7,325.86-10,109.66-3,968.65

Finding the Fourth Proportional to 7,325.86, 10,109.66 and 3,968.65

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Solution

The fourth proportional to 7,325.86, 10,109.66 and 3,968.65 is: 5,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.86 : 10,109.66 = 3,968.65 : x
  2. Step 2: Convert to fraction form
    7,325.86/10,109.66 = 3,968.65/x
  3. Step 3: Cross multiply
    7,325.86x = 10,109.66 × 3,968.65
  4. Step 4: Simplify right side
    7,325.86x = 40,121,657.04
  5. Step 5: Solve for x
    x = 40,121,657.04/7,325.86
  6. Step 6: Final answer
    x = 5,476.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.