Home / 7,911.50-11,863.46-2,362.90

Finding the Fourth Proportional to 7,911.50, 11,863.46 and 2,362.90

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Solution

The fourth proportional to 7,911.50, 11,863.46 and 2,362.90 is: 3,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.50 : 11,863.46 = 2,362.90 : x
  2. Step 2: Convert to fraction form
    7,911.50/11,863.46 = 2,362.90/x
  3. Step 3: Cross multiply
    7,911.50x = 11,863.46 × 2,362.90
  4. Step 4: Simplify right side
    7,911.50x = 28,032,169.63
  5. Step 5: Solve for x
    x = 28,032,169.63/7,911.50
  6. Step 6: Final answer
    x = 3,543.22

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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.