Home / 8,302.02-12,453.21-3,105.06

Finding the Fourth Proportional to 8,302.02, 12,453.21 and 3,105.06

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Solution

The fourth proportional to 8,302.02, 12,453.21 and 3,105.06 is: 4,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.02 : 12,453.21 = 3,105.06 : x
  2. Step 2: Convert to fraction form
    8,302.02/12,453.21 = 3,105.06/x
  3. Step 3: Cross multiply
    8,302.02x = 12,453.21 × 3,105.06
  4. Step 4: Simplify right side
    8,302.02x = 38,667,964.24
  5. Step 5: Solve for x
    x = 38,667,964.24/8,302.02
  6. Step 6: Final answer
    x = 4,657.66

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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.