Home / 8,770.20-12,102.36-4,790.52

Finding the Fourth Proportional to 8,770.20, 12,102.36 and 4,790.52

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Solution

The fourth proportional to 8,770.20, 12,102.36 and 4,790.52 is: 6,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.20 : 12,102.36 = 4,790.52 : x
  2. Step 2: Convert to fraction form
    8,770.20/12,102.36 = 4,790.52/x
  3. Step 3: Cross multiply
    8,770.20x = 12,102.36 × 4,790.52
  4. Step 4: Simplify right side
    8,770.20x = 57,976,597.63
  5. Step 5: Solve for x
    x = 57,976,597.63/8,770.20
  6. Step 6: Final answer
    x = 6,610.64

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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.