Home / 5,183.68-7,155.04-3,528.64

Finding the Fourth Proportional to 5,183.68, 7,155.04 and 3,528.64

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Solution

The fourth proportional to 5,183.68, 7,155.04 and 3,528.64 is: 4,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.68 : 7,155.04 = 3,528.64 : x
  2. Step 2: Convert to fraction form
    5,183.68/7,155.04 = 3,528.64/x
  3. Step 3: Cross multiply
    5,183.68x = 7,155.04 × 3,528.64
  4. Step 4: Simplify right side
    5,183.68x = 25,247,560.35
  5. Step 5: Solve for x
    x = 25,247,560.35/5,183.68
  6. Step 6: Final answer
    x = 4,870.59

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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.