Home / 8,495.30-12,740.79-2,652.50

Finding the Fourth Proportional to 8,495.30, 12,740.79 and 2,652.50

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Solution

The fourth proportional to 8,495.30, 12,740.79 and 2,652.50 is: 3,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.30 : 12,740.79 = 2,652.50 : x
  2. Step 2: Convert to fraction form
    8,495.30/12,740.79 = 2,652.50/x
  3. Step 3: Cross multiply
    8,495.30x = 12,740.79 × 2,652.50
  4. Step 4: Simplify right side
    8,495.30x = 33,794,945.48
  5. Step 5: Solve for x
    x = 33,794,945.48/8,495.30
  6. Step 6: Final answer
    x = 3,978.08

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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.