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Finding the Fourth Proportional to 6,988, 10,483.08 and 2,606.08

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Solution

The fourth proportional to 6,988, 10,483.08 and 2,606.08 is: 3,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988 : 10,483.08 = 2,606.08 : x
  2. Step 2: Convert to fraction form
    6,988/10,483.08 = 2,606.08/x
  3. Step 3: Cross multiply
    6,988x = 10,483.08 × 2,606.08
  4. Step 4: Simplify right side
    6,988x = 27,319,745.13
  5. Step 5: Solve for x
    x = 27,319,745.13/6,988
  6. Step 6: Final answer
    x = 3,909.52

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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.