Home / 5,316.68-7,969.62-2,539.28

Finding the Fourth Proportional to 5,316.68, 7,969.62 and 2,539.28

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Solution

The fourth proportional to 5,316.68, 7,969.62 and 2,539.28 is: 3,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.68 : 7,969.62 = 2,539.28 : x
  2. Step 2: Convert to fraction form
    5,316.68/7,969.62 = 2,539.28/x
  3. Step 3: Cross multiply
    5,316.68x = 7,969.62 × 2,539.28
  4. Step 4: Simplify right side
    5,316.68x = 20,237,096.67
  5. Step 5: Solve for x
    x = 20,237,096.67/5,316.68
  6. Step 6: Final answer
    x = 3,806.34

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1.5x scale

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.