Home / 3,639.86-5,011.49-3,307.29

Finding the Fourth Proportional to 3,639.86, 5,011.49 and 3,307.29

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Solution

The fourth proportional to 3,639.86, 5,011.49 and 3,307.29 is: 4,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.86 : 5,011.49 = 3,307.29 : x
  2. Step 2: Convert to fraction form
    3,639.86/5,011.49 = 3,307.29/x
  3. Step 3: Cross multiply
    3,639.86x = 5,011.49 × 3,307.29
  4. Step 4: Simplify right side
    3,639.86x = 16,574,434.23
  5. Step 5: Solve for x
    x = 16,574,434.23/3,639.86
  6. Step 6: Final answer
    x = 4,553.59

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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.