Home / 6,257.20-9,385.80-2,976.70

Finding the Fourth Proportional to 6,257.20, 9,385.80 and 2,976.70

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Solution

The fourth proportional to 6,257.20, 9,385.80 and 2,976.70 is: 4,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.20 : 9,385.80 = 2,976.70 : x
  2. Step 2: Convert to fraction form
    6,257.20/9,385.80 = 2,976.70/x
  3. Step 3: Cross multiply
    6,257.20x = 9,385.80 × 2,976.70
  4. Step 4: Simplify right side
    6,257.20x = 27,938,710.86
  5. Step 5: Solve for x
    x = 27,938,710.86/6,257.20
  6. Step 6: Final answer
    x = 4,465.05

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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.