Home / 5,316.66-7,972.04-2,151.24

Finding the Fourth Proportional to 5,316.66, 7,972.04 and 2,151.24

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Solution

The fourth proportional to 5,316.66, 7,972.04 and 2,151.24 is: 3,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.66 : 7,972.04 = 2,151.24 : x
  2. Step 2: Convert to fraction form
    5,316.66/7,972.04 = 2,151.24/x
  3. Step 3: Cross multiply
    5,316.66x = 7,972.04 × 2,151.24
  4. Step 4: Simplify right side
    5,316.66x = 17,149,776.71
  5. Step 5: Solve for x
    x = 17,149,776.71/5,316.66
  6. Step 6: Final answer
    x = 3,225.67

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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.