Home / 5,277.17-7,282.42-2,887.16

Finding the Fourth Proportional to 5,277.17, 7,282.42 and 2,887.16

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Solution

The fourth proportional to 5,277.17, 7,282.42 and 2,887.16 is: 3,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.17 : 7,282.42 = 2,887.16 : x
  2. Step 2: Convert to fraction form
    5,277.17/7,282.42 = 2,887.16/x
  3. Step 3: Cross multiply
    5,277.17x = 7,282.42 × 2,887.16
  4. Step 4: Simplify right side
    5,277.17x = 21,025,468.10
  5. Step 5: Solve for x
    x = 21,025,468.10/5,277.17
  6. Step 6: Final answer
    x = 3,984.23

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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.