Home / 8,485.60-12,730.20-2,562.70

Finding the Fourth Proportional to 8,485.60, 12,730.20 and 2,562.70

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Solution

The fourth proportional to 8,485.60, 12,730.20 and 2,562.70 is: 3,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.60 : 12,730.20 = 2,562.70 : x
  2. Step 2: Convert to fraction form
    8,485.60/12,730.20 = 2,562.70/x
  3. Step 3: Cross multiply
    8,485.60x = 12,730.20 × 2,562.70
  4. Step 4: Simplify right side
    8,485.60x = 32,623,683.54
  5. Step 5: Solve for x
    x = 32,623,683.54/8,485.60
  6. Step 6: Final answer
    x = 3,844.59

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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.