Home / 5,561.71-7,677.08-3,204.79

Finding the Fourth Proportional to 5,561.71, 7,677.08 and 3,204.79

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Solution

The fourth proportional to 5,561.71, 7,677.08 and 3,204.79 is: 4,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.71 : 7,677.08 = 3,204.79 : x
  2. Step 2: Convert to fraction form
    5,561.71/7,677.08 = 3,204.79/x
  3. Step 3: Cross multiply
    5,561.71x = 7,677.08 × 3,204.79
  4. Step 4: Simplify right side
    5,561.71x = 24,603,429.21
  5. Step 5: Solve for x
    x = 24,603,429.21/5,561.71
  6. Step 6: Final answer
    x = 4,423.72

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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.