Home / 8,690.60-13,037.14-2,845.96

Finding the Fourth Proportional to 8,690.60, 13,037.14 and 2,845.96

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Solution

The fourth proportional to 8,690.60, 13,037.14 and 2,845.96 is: 4,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.60 : 13,037.14 = 2,845.96 : x
  2. Step 2: Convert to fraction form
    8,690.60/13,037.14 = 2,845.96/x
  3. Step 3: Cross multiply
    8,690.60x = 13,037.14 × 2,845.96
  4. Step 4: Simplify right side
    8,690.60x = 37,103,178.95
  5. Step 5: Solve for x
    x = 37,103,178.95/8,690.60
  6. Step 6: Final answer
    x = 4,269.35

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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.