Home / 6,664.20-9,933.06-6,615.60

Finding the Fourth Proportional to 6,664.20, 9,933.06 and 6,615.60

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Solution

The fourth proportional to 6,664.20, 9,933.06 and 6,615.60 is: 9,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.20 : 9,933.06 = 6,615.60 : x
  2. Step 2: Convert to fraction form
    6,664.20/9,933.06 = 6,615.60/x
  3. Step 3: Cross multiply
    6,664.20x = 9,933.06 × 6,615.60
  4. Step 4: Simplify right side
    6,664.20x = 65,713,151.74
  5. Step 5: Solve for x
    x = 65,713,151.74/6,664.20
  6. Step 6: Final answer
    x = 9,860.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.