Home / 3,634.07-5,423.15-3,613.28

Finding the Fourth Proportional to 3,634.07, 5,423.15 and 3,613.28

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Solution

The fourth proportional to 3,634.07, 5,423.15 and 3,613.28 is: 5,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.07 : 5,423.15 = 3,613.28 : x
  2. Step 2: Convert to fraction form
    3,634.07/5,423.15 = 3,613.28/x
  3. Step 3: Cross multiply
    3,634.07x = 5,423.15 × 3,613.28
  4. Step 4: Simplify right side
    3,634.07x = 19,595,341.35
  5. Step 5: Solve for x
    x = 19,595,341.35/3,634.07
  6. Step 6: Final answer
    x = 5,392.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.