Home / 5,747.48-7,930.56-3,390.09

Finding the Fourth Proportional to 5,747.48, 7,930.56 and 3,390.09

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Solution

The fourth proportional to 5,747.48, 7,930.56 and 3,390.09 is: 4,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.48 : 7,930.56 = 3,390.09 : x
  2. Step 2: Convert to fraction form
    5,747.48/7,930.56 = 3,390.09/x
  3. Step 3: Cross multiply
    5,747.48x = 7,930.56 × 3,390.09
  4. Step 4: Simplify right side
    5,747.48x = 26,885,312.15
  5. Step 5: Solve for x
    x = 26,885,312.15/5,747.48
  6. Step 6: Final answer
    x = 4,677.76

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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.