Home / 5,089.20-7,026.48-3,908.16

Finding the Fourth Proportional to 5,089.20, 7,026.48 and 3,908.16

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Solution

The fourth proportional to 5,089.20, 7,026.48 and 3,908.16 is: 5,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.20 : 7,026.48 = 3,908.16 : x
  2. Step 2: Convert to fraction form
    5,089.20/7,026.48 = 3,908.16/x
  3. Step 3: Cross multiply
    5,089.20x = 7,026.48 × 3,908.16
  4. Step 4: Simplify right side
    5,089.20x = 27,460,608.08
  5. Step 5: Solve for x
    x = 27,460,608.08/5,089.20
  6. Step 6: Final answer
    x = 5,395.86

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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.