Home / 4,989.94-7,480.83-2,066.66

Finding the Fourth Proportional to 4,989.94, 7,480.83 and 2,066.66

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Solution

The fourth proportional to 4,989.94, 7,480.83 and 2,066.66 is: 3,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.94 : 7,480.83 = 2,066.66 : x
  2. Step 2: Convert to fraction form
    4,989.94/7,480.83 = 2,066.66/x
  3. Step 3: Cross multiply
    4,989.94x = 7,480.83 × 2,066.66
  4. Step 4: Simplify right side
    4,989.94x = 15,460,332.13
  5. Step 5: Solve for x
    x = 15,460,332.13/4,989.94
  6. Step 6: Final answer
    x = 3,098.30

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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.