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Finding the Fourth Proportional to 6,987.96, 10,482.60 and 2,308

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Solution

The fourth proportional to 6,987.96, 10,482.60 and 2,308 is: 3,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.96 : 10,482.60 = 2,308 : x
  2. Step 2: Convert to fraction form
    6,987.96/10,482.60 = 2,308/x
  3. Step 3: Cross multiply
    6,987.96x = 10,482.60 × 2,308
  4. Step 4: Simplify right side
    6,987.96x = 24,193,840.80
  5. Step 5: Solve for x
    x = 24,193,840.80/6,987.96
  6. Step 6: Final answer
    x = 3,462.22

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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.