Home / 6,420.20-9,630.22-2,037.66

Finding the Fourth Proportional to 6,420.20, 9,630.22 and 2,037.66

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Solution

The fourth proportional to 6,420.20, 9,630.22 and 2,037.66 is: 3,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.20 : 9,630.22 = 2,037.66 : x
  2. Step 2: Convert to fraction form
    6,420.20/9,630.22 = 2,037.66/x
  3. Step 3: Cross multiply
    6,420.20x = 9,630.22 × 2,037.66
  4. Step 4: Simplify right side
    6,420.20x = 19,623,114.09
  5. Step 5: Solve for x
    x = 19,623,114.09/6,420.20
  6. Step 6: Final answer
    x = 3,056.46

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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.