Home / 5,312.96-7,962.56-2,716.80

Finding the Fourth Proportional to 5,312.96, 7,962.56 and 2,716.80

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Solution

The fourth proportional to 5,312.96, 7,962.56 and 2,716.80 is: 4,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.96 : 7,962.56 = 2,716.80 : x
  2. Step 2: Convert to fraction form
    5,312.96/7,962.56 = 2,716.80/x
  3. Step 3: Cross multiply
    5,312.96x = 7,962.56 × 2,716.80
  4. Step 4: Simplify right side
    5,312.96x = 21,632,683.01
  5. Step 5: Solve for x
    x = 21,632,683.01/5,312.96
  6. Step 6: Final answer
    x = 4,071.68

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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.