Home / 5,324.32-7,979.46-4,087.72

Finding the Fourth Proportional to 5,324.32, 7,979.46 and 4,087.72

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Solution

The fourth proportional to 5,324.32, 7,979.46 and 4,087.72 is: 6,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.32 : 7,979.46 = 4,087.72 : x
  2. Step 2: Convert to fraction form
    5,324.32/7,979.46 = 4,087.72/x
  3. Step 3: Cross multiply
    5,324.32x = 7,979.46 × 4,087.72
  4. Step 4: Simplify right side
    5,324.32x = 32,617,798.23
  5. Step 5: Solve for x
    x = 32,617,798.23/5,324.32
  6. Step 6: Final answer
    x = 6,126.19

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1.5x scale

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.