Home / 4,702.05-6,489.32-3,208.82

Finding the Fourth Proportional to 4,702.05, 6,489.32 and 3,208.82

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Solution

The fourth proportional to 4,702.05, 6,489.32 and 3,208.82 is: 4,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.05 : 6,489.32 = 3,208.82 : x
  2. Step 2: Convert to fraction form
    4,702.05/6,489.32 = 3,208.82/x
  3. Step 3: Cross multiply
    4,702.05x = 6,489.32 × 3,208.82
  4. Step 4: Simplify right side
    4,702.05x = 20,823,011.31
  5. Step 5: Solve for x
    x = 20,823,011.31/4,702.05
  6. Step 6: Final answer
    x = 4,428.50

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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.