Home / 5,631.92-7,763.81-3,948.24

Finding the Fourth Proportional to 5,631.92, 7,763.81 and 3,948.24

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Solution

The fourth proportional to 5,631.92, 7,763.81 and 3,948.24 is: 5,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.92 : 7,763.81 = 3,948.24 : x
  2. Step 2: Convert to fraction form
    5,631.92/7,763.81 = 3,948.24/x
  3. Step 3: Cross multiply
    5,631.92x = 7,763.81 × 3,948.24
  4. Step 4: Simplify right side
    5,631.92x = 30,653,365.45
  5. Step 5: Solve for x
    x = 30,653,365.45/5,631.92
  6. Step 6: Final answer
    x = 5,442.80

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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.