Home / 6,988.66-10,480.25-2,603.72

Finding the Fourth Proportional to 6,988.66, 10,480.25 and 2,603.72

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Solution

The fourth proportional to 6,988.66, 10,480.25 and 2,603.72 is: 3,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.66 : 10,480.25 = 2,603.72 : x
  2. Step 2: Convert to fraction form
    6,988.66/10,480.25 = 2,603.72/x
  3. Step 3: Cross multiply
    6,988.66x = 10,480.25 × 2,603.72
  4. Step 4: Simplify right side
    6,988.66x = 27,287,669.24
  5. Step 5: Solve for x
    x = 27,287,669.24/6,988.66
  6. Step 6: Final answer
    x = 3,904.57

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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.