Home / 5,561.84-7,676.28-3,205.35

Finding the Fourth Proportional to 5,561.84, 7,676.28 and 3,205.35

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Solution

The fourth proportional to 5,561.84, 7,676.28 and 3,205.35 is: 4,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.84 : 7,676.28 = 3,205.35 : x
  2. Step 2: Convert to fraction form
    5,561.84/7,676.28 = 3,205.35/x
  3. Step 3: Cross multiply
    5,561.84x = 7,676.28 × 3,205.35
  4. Step 4: Simplify right side
    5,561.84x = 24,605,164.10
  5. Step 5: Solve for x
    x = 24,605,164.10/5,561.84
  6. Step 6: Final answer
    x = 4,423.93

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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.