Home / 5,360.20-7,392.14-3,678.64

Finding the Fourth Proportional to 5,360.20, 7,392.14 and 3,678.64

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Solution

The fourth proportional to 5,360.20, 7,392.14 and 3,678.64 is: 5,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.20 : 7,392.14 = 3,678.64 : x
  2. Step 2: Convert to fraction form
    5,360.20/7,392.14 = 3,678.64/x
  3. Step 3: Cross multiply
    5,360.20x = 7,392.14 × 3,678.64
  4. Step 4: Simplify right side
    5,360.20x = 27,193,021.89
  5. Step 5: Solve for x
    x = 27,193,021.89/5,360.20
  6. Step 6: Final answer
    x = 5,073.14

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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.