Home / 6,660.60-9,185.99-4,007.51

Finding the Fourth Proportional to 6,660.60, 9,185.99 and 4,007.51

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Solution

The fourth proportional to 6,660.60, 9,185.99 and 4,007.51 is: 5,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.60 : 9,185.99 = 4,007.51 : x
  2. Step 2: Convert to fraction form
    6,660.60/9,185.99 = 4,007.51/x
  3. Step 3: Cross multiply
    6,660.60x = 9,185.99 × 4,007.51
  4. Step 4: Simplify right side
    6,660.60x = 36,812,949.71
  5. Step 5: Solve for x
    x = 36,812,949.71/6,660.60
  6. Step 6: Final answer
    x = 5,526.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.