Home / 4,688.25-6,469.12-2,698.42

Finding the Fourth Proportional to 4,688.25, 6,469.12 and 2,698.42

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Solution

The fourth proportional to 4,688.25, 6,469.12 and 2,698.42 is: 3,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.25 : 6,469.12 = 2,698.42 : x
  2. Step 2: Convert to fraction form
    4,688.25/6,469.12 = 2,698.42/x
  3. Step 3: Cross multiply
    4,688.25x = 6,469.12 × 2,698.42
  4. Step 4: Simplify right side
    4,688.25x = 17,456,427.90
  5. Step 5: Solve for x
    x = 17,456,427.90/4,688.25
  6. Step 6: Final answer
    x = 3,723.45

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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.