Home / 8,346.17-12,520.93-3,081.21

Finding the Fourth Proportional to 8,346.17, 12,520.93 and 3,081.21

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Solution

The fourth proportional to 8,346.17, 12,520.93 and 3,081.21 is: 4,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.17 : 12,520.93 = 3,081.21 : x
  2. Step 2: Convert to fraction form
    8,346.17/12,520.93 = 3,081.21/x
  3. Step 3: Cross multiply
    8,346.17x = 12,520.93 × 3,081.21
  4. Step 4: Simplify right side
    8,346.17x = 38,579,599.32
  5. Step 5: Solve for x
    x = 38,579,599.32/8,346.17
  6. Step 6: Final answer
    x = 4,622.43

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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.