Home / 8,770.10-12,102.36-4,791.02

Finding the Fourth Proportional to 8,770.10, 12,102.36 and 4,791.02

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Solution

The fourth proportional to 8,770.10, 12,102.36 and 4,791.02 is: 6,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.10 : 12,102.36 = 4,791.02 : x
  2. Step 2: Convert to fraction form
    8,770.10/12,102.36 = 4,791.02/x
  3. Step 3: Cross multiply
    8,770.10x = 12,102.36 × 4,791.02
  4. Step 4: Simplify right side
    8,770.10x = 57,982,648.81
  5. Step 5: Solve for x
    x = 57,982,648.81/8,770.10
  6. Step 6: Final answer
    x = 6,611.40

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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.