Home / 6,637.20-9,955.80-3,350.80

Finding the Fourth Proportional to 6,637.20, 9,955.80 and 3,350.80

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Solution

The fourth proportional to 6,637.20, 9,955.80 and 3,350.80 is: 5,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.20 : 9,955.80 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    6,637.20/9,955.80 = 3,350.80/x
  3. Step 3: Cross multiply
    6,637.20x = 9,955.80 × 3,350.80
  4. Step 4: Simplify right side
    6,637.20x = 33,359,894.64
  5. Step 5: Solve for x
    x = 33,359,894.64/6,637.20
  6. Step 6: Final answer
    x = 5,026.20

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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.