Home / 8,207.24-12,311.90-3,012.36

Finding the Fourth Proportional to 8,207.24, 12,311.90 and 3,012.36

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Solution

The fourth proportional to 8,207.24, 12,311.90 and 3,012.36 is: 4,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.24 : 12,311.90 = 3,012.36 : x
  2. Step 2: Convert to fraction form
    8,207.24/12,311.90 = 3,012.36/x
  3. Step 3: Cross multiply
    8,207.24x = 12,311.90 × 3,012.36
  4. Step 4: Simplify right side
    8,207.24x = 37,087,875.08
  5. Step 5: Solve for x
    x = 37,087,875.08/8,207.24
  6. Step 6: Final answer
    x = 4,518.92

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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.