Home / 7,317.20-10,084.68-5,721.68

Finding the Fourth Proportional to 7,317.20, 10,084.68 and 5,721.68

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Solution

The fourth proportional to 7,317.20, 10,084.68 and 5,721.68 is: 7,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.20 : 10,084.68 = 5,721.68 : x
  2. Step 2: Convert to fraction form
    7,317.20/10,084.68 = 5,721.68/x
  3. Step 3: Cross multiply
    7,317.20x = 10,084.68 × 5,721.68
  4. Step 4: Simplify right side
    7,317.20x = 57,701,311.86
  5. Step 5: Solve for x
    x = 57,701,311.86/7,317.20
  6. Step 6: Final answer
    x = 7,885.71

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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.