Home / 8,288.13-12,430.94-2,741.70

Finding the Fourth Proportional to 8,288.13, 12,430.94 and 2,741.70

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Solution

The fourth proportional to 8,288.13, 12,430.94 and 2,741.70 is: 4,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.13 : 12,430.94 = 2,741.70 : x
  2. Step 2: Convert to fraction form
    8,288.13/12,430.94 = 2,741.70/x
  3. Step 3: Cross multiply
    8,288.13x = 12,430.94 × 2,741.70
  4. Step 4: Simplify right side
    8,288.13x = 34,081,894.49
  5. Step 5: Solve for x
    x = 34,081,894.49/8,288.13
  6. Step 6: Final answer
    x = 4,112.13

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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.