Home / 4,792.55-7,188.89-1,505.64

Finding the Fourth Proportional to 4,792.55, 7,188.89 and 1,505.64

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Solution

The fourth proportional to 4,792.55, 7,188.89 and 1,505.64 is: 2,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.55 : 7,188.89 = 1,505.64 : x
  2. Step 2: Convert to fraction form
    4,792.55/7,188.89 = 1,505.64/x
  3. Step 3: Cross multiply
    4,792.55x = 7,188.89 × 1,505.64
  4. Step 4: Simplify right side
    4,792.55x = 10,823,872.81
  5. Step 5: Solve for x
    x = 10,823,872.81/4,792.55
  6. Step 6: Final answer
    x = 2,258.48

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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.