Home / 4,792.68-7,188.60-1,330.20

Finding the Fourth Proportional to 4,792.68, 7,188.60 and 1,330.20

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Solution

The fourth proportional to 4,792.68, 7,188.60 and 1,330.20 is: 1,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.68 : 7,188.60 = 1,330.20 : x
  2. Step 2: Convert to fraction form
    4,792.68/7,188.60 = 1,330.20/x
  3. Step 3: Cross multiply
    4,792.68x = 7,188.60 × 1,330.20
  4. Step 4: Simplify right side
    4,792.68x = 9,562,275.72
  5. Step 5: Solve for x
    x = 9,562,275.72/4,792.68
  6. Step 6: Final answer
    x = 1,995.18

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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.