Home / 5,420.53-7,480.56-3,062.71

Finding the Fourth Proportional to 5,420.53, 7,480.56 and 3,062.71

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Solution

The fourth proportional to 5,420.53, 7,480.56 and 3,062.71 is: 4,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.53 : 7,480.56 = 3,062.71 : x
  2. Step 2: Convert to fraction form
    5,420.53/7,480.56 = 3,062.71/x
  3. Step 3: Cross multiply
    5,420.53x = 7,480.56 × 3,062.71
  4. Step 4: Simplify right side
    5,420.53x = 22,910,785.92
  5. Step 5: Solve for x
    x = 22,910,785.92/5,420.53
  6. Step 6: Final answer
    x = 4,226.67

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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.