Home / 8,478.73-11,700.30-4,701.95

Finding the Fourth Proportional to 8,478.73, 11,700.30 and 4,701.95

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Solution

The fourth proportional to 8,478.73, 11,700.30 and 4,701.95 is: 6,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.73 : 11,700.30 = 4,701.95 : x
  2. Step 2: Convert to fraction form
    8,478.73/11,700.30 = 4,701.95/x
  3. Step 3: Cross multiply
    8,478.73x = 11,700.30 × 4,701.95
  4. Step 4: Simplify right side
    8,478.73x = 55,014,202.14
  5. Step 5: Solve for x
    x = 55,014,202.14/8,478.73
  6. Step 6: Final answer
    x = 6,488.50

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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.