Home / 4,963.48-7,438.56-3,490.72

Finding the Fourth Proportional to 4,963.48, 7,438.56 and 3,490.72

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Solution

The fourth proportional to 4,963.48, 7,438.56 and 3,490.72 is: 5,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.48 : 7,438.56 = 3,490.72 : x
  2. Step 2: Convert to fraction form
    4,963.48/7,438.56 = 3,490.72/x
  3. Step 3: Cross multiply
    4,963.48x = 7,438.56 × 3,490.72
  4. Step 4: Simplify right side
    4,963.48x = 25,965,930.16
  5. Step 5: Solve for x
    x = 25,965,930.16/4,963.48
  6. Step 6: Final answer
    x = 5,231.40

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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.