Home / 5,618.88-8,434.08-2,698.56

Finding the Fourth Proportional to 5,618.88, 8,434.08 and 2,698.56

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Solution

The fourth proportional to 5,618.88, 8,434.08 and 2,698.56 is: 4,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.88 : 8,434.08 = 2,698.56 : x
  2. Step 2: Convert to fraction form
    5,618.88/8,434.08 = 2,698.56/x
  3. Step 3: Cross multiply
    5,618.88x = 8,434.08 × 2,698.56
  4. Step 4: Simplify right side
    5,618.88x = 22,759,870.92
  5. Step 5: Solve for x
    x = 22,759,870.92/5,618.88
  6. Step 6: Final answer
    x = 4,050.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.