Home / 5,081.43-7,626.71-4,253.68

Finding the Fourth Proportional to 5,081.43, 7,626.71 and 4,253.68

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Solution

The fourth proportional to 5,081.43, 7,626.71 and 4,253.68 is: 6,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.43 : 7,626.71 = 4,253.68 : x
  2. Step 2: Convert to fraction form
    5,081.43/7,626.71 = 4,253.68/x
  3. Step 3: Cross multiply
    5,081.43x = 7,626.71 × 4,253.68
  4. Step 4: Simplify right side
    5,081.43x = 32,441,547.86
  5. Step 5: Solve for x
    x = 32,441,547.86/5,081.43
  6. Step 6: Final answer
    x = 6,384.33

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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.