Home / 6,604.20-9,890.10-4,951.80

Finding the Fourth Proportional to 6,604.20, 9,890.10 and 4,951.80

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Solution

The fourth proportional to 6,604.20, 9,890.10 and 4,951.80 is: 7,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.20 : 9,890.10 = 4,951.80 : x
  2. Step 2: Convert to fraction form
    6,604.20/9,890.10 = 4,951.80/x
  3. Step 3: Cross multiply
    6,604.20x = 9,890.10 × 4,951.80
  4. Step 4: Simplify right side
    6,604.20x = 48,973,797.18
  5. Step 5: Solve for x
    x = 48,973,797.18/6,604.20
  6. Step 6: Final answer
    x = 7,415.55

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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.