Home / 8,158.50-12,238.65-2,610.54

Finding the Fourth Proportional to 8,158.50, 12,238.65 and 2,610.54

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Solution

The fourth proportional to 8,158.50, 12,238.65 and 2,610.54 is: 3,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.50 : 12,238.65 = 2,610.54 : x
  2. Step 2: Convert to fraction form
    8,158.50/12,238.65 = 2,610.54/x
  3. Step 3: Cross multiply
    8,158.50x = 12,238.65 × 2,610.54
  4. Step 4: Simplify right side
    8,158.50x = 31,949,485.37
  5. Step 5: Solve for x
    x = 31,949,485.37/8,158.50
  6. Step 6: Final answer
    x = 3,916.10

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1.5x scale

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.