Home / 4,986.32-7,480.44-2,389.04

Finding the Fourth Proportional to 4,986.32, 7,480.44 and 2,389.04

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Solution

The fourth proportional to 4,986.32, 7,480.44 and 2,389.04 is: 3,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.32 : 7,480.44 = 2,389.04 : x
  2. Step 2: Convert to fraction form
    4,986.32/7,480.44 = 2,389.04/x
  3. Step 3: Cross multiply
    4,986.32x = 7,480.44 × 2,389.04
  4. Step 4: Simplify right side
    4,986.32x = 17,871,070.38
  5. Step 5: Solve for x
    x = 17,871,070.38/4,986.32
  6. Step 6: Final answer
    x = 3,584.02

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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.