Home / 4,792.20-7,188.30-1,282.20

Finding the Fourth Proportional to 4,792.20, 7,188.30 and 1,282.20

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Solution

The fourth proportional to 4,792.20, 7,188.30 and 1,282.20 is: 1,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.20 : 7,188.30 = 1,282.20 : x
  2. Step 2: Convert to fraction form
    4,792.20/7,188.30 = 1,282.20/x
  3. Step 3: Cross multiply
    4,792.20x = 7,188.30 × 1,282.20
  4. Step 4: Simplify right side
    4,792.20x = 9,216,838.26
  5. Step 5: Solve for x
    x = 9,216,838.26/4,792.20
  6. Step 6: Final answer
    x = 1,923.30

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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.