Home / 5,386.68-8,081.37-2,753.16

Finding the Fourth Proportional to 5,386.68, 8,081.37 and 2,753.16

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Solution

The fourth proportional to 5,386.68, 8,081.37 and 2,753.16 is: 4,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.68 : 8,081.37 = 2,753.16 : x
  2. Step 2: Convert to fraction form
    5,386.68/8,081.37 = 2,753.16/x
  3. Step 3: Cross multiply
    5,386.68x = 8,081.37 × 2,753.16
  4. Step 4: Simplify right side
    5,386.68x = 22,249,304.63
  5. Step 5: Solve for x
    x = 22,249,304.63/5,386.68
  6. Step 6: Final answer
    x = 4,130.43

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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.