Home / 4,420.20-6,630.30-4,009.80

Finding the Fourth Proportional to 4,420.20, 6,630.30 and 4,009.80

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Solution

The fourth proportional to 4,420.20, 6,630.30 and 4,009.80 is: 6,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.20 : 6,630.30 = 4,009.80 : x
  2. Step 2: Convert to fraction form
    4,420.20/6,630.30 = 4,009.80/x
  3. Step 3: Cross multiply
    4,420.20x = 6,630.30 × 4,009.80
  4. Step 4: Simplify right side
    4,420.20x = 26,586,176.94
  5. Step 5: Solve for x
    x = 26,586,176.94/4,420.20
  6. Step 6: Final answer
    x = 6,014.70

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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.