Home / 8,211.20-12,313.90-2,366.24

Finding the Fourth Proportional to 8,211.20, 12,313.90 and 2,366.24

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Solution

The fourth proportional to 8,211.20, 12,313.90 and 2,366.24 is: 3,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.20 : 12,313.90 = 2,366.24 : x
  2. Step 2: Convert to fraction form
    8,211.20/12,313.90 = 2,366.24/x
  3. Step 3: Cross multiply
    8,211.20x = 12,313.90 × 2,366.24
  4. Step 4: Simplify right side
    8,211.20x = 29,137,642.74
  5. Step 5: Solve for x
    x = 29,137,642.74/8,211.20
  6. Step 6: Final answer
    x = 3,548.52

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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.