Home / 8,607.12-11,876.40-5,069.04

Finding the Fourth Proportional to 8,607.12, 11,876.40 and 5,069.04

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Solution

The fourth proportional to 8,607.12, 11,876.40 and 5,069.04 is: 6,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.12 : 11,876.40 = 5,069.04 : x
  2. Step 2: Convert to fraction form
    8,607.12/11,876.40 = 5,069.04/x
  3. Step 3: Cross multiply
    8,607.12x = 11,876.40 × 5,069.04
  4. Step 4: Simplify right side
    8,607.12x = 60,201,946.66
  5. Step 5: Solve for x
    x = 60,201,946.66/8,607.12
  6. Step 6: Final answer
    x = 6,994.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.