Home / 8,270.15-12,405.63-3,339.17

Finding the Fourth Proportional to 8,270.15, 12,405.63 and 3,339.17

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Solution

The fourth proportional to 8,270.15, 12,405.63 and 3,339.17 is: 5,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.15 : 12,405.63 = 3,339.17 : x
  2. Step 2: Convert to fraction form
    8,270.15/12,405.63 = 3,339.17/x
  3. Step 3: Cross multiply
    8,270.15x = 12,405.63 × 3,339.17
  4. Step 4: Simplify right side
    8,270.15x = 41,424,507.53
  5. Step 5: Solve for x
    x = 41,424,507.53/8,270.15
  6. Step 6: Final answer
    x = 5,008.92

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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.