Home / 8,141.92-12,214.14-2,946.76

Finding the Fourth Proportional to 8,141.92, 12,214.14 and 2,946.76

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Solution

The fourth proportional to 8,141.92, 12,214.14 and 2,946.76 is: 4,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.92 : 12,214.14 = 2,946.76 : x
  2. Step 2: Convert to fraction form
    8,141.92/12,214.14 = 2,946.76/x
  3. Step 3: Cross multiply
    8,141.92x = 12,214.14 × 2,946.76
  4. Step 4: Simplify right side
    8,141.92x = 35,992,139.19
  5. Step 5: Solve for x
    x = 35,992,139.19/8,141.92
  6. Step 6: Final answer
    x = 4,420.60

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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.