Home / 5,323.16-7,977.34-2,720.60

Finding the Fourth Proportional to 5,323.16, 7,977.34 and 2,720.60

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Solution

The fourth proportional to 5,323.16, 7,977.34 and 2,720.60 is: 4,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.16 : 7,977.34 = 2,720.60 : x
  2. Step 2: Convert to fraction form
    5,323.16/7,977.34 = 2,720.60/x
  3. Step 3: Cross multiply
    5,323.16x = 7,977.34 × 2,720.60
  4. Step 4: Simplify right side
    5,323.16x = 21,703,151.20
  5. Step 5: Solve for x
    x = 21,703,151.20/5,323.16
  6. Step 6: Final answer
    x = 4,077.12

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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.