Home / 8,263.40-12,403.20-4,108.10

Finding the Fourth Proportional to 8,263.40, 12,403.20 and 4,108.10

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Solution

The fourth proportional to 8,263.40, 12,403.20 and 4,108.10 is: 6,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.40 : 12,403.20 = 4,108.10 : x
  2. Step 2: Convert to fraction form
    8,263.40/12,403.20 = 4,108.10/x
  3. Step 3: Cross multiply
    8,263.40x = 12,403.20 × 4,108.10
  4. Step 4: Simplify right side
    8,263.40x = 50,953,585.92
  5. Step 5: Solve for x
    x = 50,953,585.92/8,263.40
  6. Step 6: Final answer
    x = 6,166.18

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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.