Home / 8,518.01-12,772.97-2,970.68

Finding the Fourth Proportional to 8,518.01, 12,772.97 and 2,970.68

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Solution

The fourth proportional to 8,518.01, 12,772.97 and 2,970.68 is: 4,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.01 : 12,772.97 = 2,970.68 : x
  2. Step 2: Convert to fraction form
    8,518.01/12,772.97 = 2,970.68/x
  3. Step 3: Cross multiply
    8,518.01x = 12,772.97 × 2,970.68
  4. Step 4: Simplify right side
    8,518.01x = 37,944,327.80
  5. Step 5: Solve for x
    x = 37,944,327.80/8,518.01
  6. Step 6: Final answer
    x = 4,454.60

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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.