Home / 6,378.75-8,802.68-3,727.62

Finding the Fourth Proportional to 6,378.75, 8,802.68 and 3,727.62

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Solution

The fourth proportional to 6,378.75, 8,802.68 and 3,727.62 is: 5,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.75 : 8,802.68 = 3,727.62 : x
  2. Step 2: Convert to fraction form
    6,378.75/8,802.68 = 3,727.62/x
  3. Step 3: Cross multiply
    6,378.75x = 8,802.68 × 3,727.62
  4. Step 4: Simplify right side
    6,378.75x = 32,813,027.38
  5. Step 5: Solve for x
    x = 32,813,027.38/6,378.75
  6. Step 6: Final answer
    x = 5,144.12

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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.