Home / 8,309.36-12,455.15-4,141.15

Finding the Fourth Proportional to 8,309.36, 12,455.15 and 4,141.15

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Solution

The fourth proportional to 8,309.36, 12,455.15 and 4,141.15 is: 6,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.36 : 12,455.15 = 4,141.15 : x
  2. Step 2: Convert to fraction form
    8,309.36/12,455.15 = 4,141.15/x
  3. Step 3: Cross multiply
    8,309.36x = 12,455.15 × 4,141.15
  4. Step 4: Simplify right side
    8,309.36x = 51,578,592.58
  5. Step 5: Solve for x
    x = 51,578,592.58/8,309.36
  6. Step 6: Final answer
    x = 6,207.29

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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.