Home / 5,317.70-7,330.82-3,740.90

Finding the Fourth Proportional to 5,317.70, 7,330.82 and 3,740.90

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Solution

The fourth proportional to 5,317.70, 7,330.82 and 3,740.90 is: 5,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.70 : 7,330.82 = 3,740.90 : x
  2. Step 2: Convert to fraction form
    5,317.70/7,330.82 = 3,740.90/x
  3. Step 3: Cross multiply
    5,317.70x = 7,330.82 × 3,740.90
  4. Step 4: Simplify right side
    5,317.70x = 27,423,864.54
  5. Step 5: Solve for x
    x = 27,423,864.54/5,317.70
  6. Step 6: Final answer
    x = 5,157.09

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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.