Home / 4,976.60-7,456.80-4,150.40

Finding the Fourth Proportional to 4,976.60, 7,456.80 and 4,150.40

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Solution

The fourth proportional to 4,976.60, 7,456.80 and 4,150.40 is: 6,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.60 : 7,456.80 = 4,150.40 : x
  2. Step 2: Convert to fraction form
    4,976.60/7,456.80 = 4,150.40/x
  3. Step 3: Cross multiply
    4,976.60x = 7,456.80 × 4,150.40
  4. Step 4: Simplify right side
    4,976.60x = 30,948,702.72
  5. Step 5: Solve for x
    x = 30,948,702.72/4,976.60
  6. Step 6: Final answer
    x = 6,218.84

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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.