Home / 4,613.36-6,921.42-2,149.64

Finding the Fourth Proportional to 4,613.36, 6,921.42 and 2,149.64

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Solution

The fourth proportional to 4,613.36, 6,921.42 and 2,149.64 is: 3,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.36 : 6,921.42 = 2,149.64 : x
  2. Step 2: Convert to fraction form
    4,613.36/6,921.42 = 2,149.64/x
  3. Step 3: Cross multiply
    4,613.36x = 6,921.42 × 2,149.64
  4. Step 4: Simplify right side
    4,613.36x = 14,878,561.29
  5. Step 5: Solve for x
    x = 14,878,561.29/4,613.36
  6. Step 6: Final answer
    x = 3,225.10

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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.