Home / 4,151.64-5,727.60-3,820.08

Finding the Fourth Proportional to 4,151.64, 5,727.60 and 3,820.08

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Solution

The fourth proportional to 4,151.64, 5,727.60 and 3,820.08 is: 5,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.64 : 5,727.60 = 3,820.08 : x
  2. Step 2: Convert to fraction form
    4,151.64/5,727.60 = 3,820.08/x
  3. Step 3: Cross multiply
    4,151.64x = 5,727.60 × 3,820.08
  4. Step 4: Simplify right side
    4,151.64x = 21,879,890.21
  5. Step 5: Solve for x
    x = 21,879,890.21/4,151.64
  6. Step 6: Final answer
    x = 5,270.18

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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.