Home / 5,653.82-8,480.33-2,878.76

Finding the Fourth Proportional to 5,653.82, 8,480.33 and 2,878.76

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Solution

The fourth proportional to 5,653.82, 8,480.33 and 2,878.76 is: 4,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.82 : 8,480.33 = 2,878.76 : x
  2. Step 2: Convert to fraction form
    5,653.82/8,480.33 = 2,878.76/x
  3. Step 3: Cross multiply
    5,653.82x = 8,480.33 × 2,878.76
  4. Step 4: Simplify right side
    5,653.82x = 24,412,820.40
  5. Step 5: Solve for x
    x = 24,412,820.40/5,653.82
  6. Step 6: Final answer
    x = 4,317.93

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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.