Home / 5,560.70-8,342.42-3,920.45

Finding the Fourth Proportional to 5,560.70, 8,342.42 and 3,920.45

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Solution

The fourth proportional to 5,560.70, 8,342.42 and 3,920.45 is: 5,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.70 : 8,342.42 = 3,920.45 : x
  2. Step 2: Convert to fraction form
    5,560.70/8,342.42 = 3,920.45/x
  3. Step 3: Cross multiply
    5,560.70x = 8,342.42 × 3,920.45
  4. Step 4: Simplify right side
    5,560.70x = 32,705,979.17
  5. Step 5: Solve for x
    x = 32,705,979.17/5,560.70
  6. Step 6: Final answer
    x = 5,881.64

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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.