Home / 7,843.50-11,762.76-2,577.30

Finding the Fourth Proportional to 7,843.50, 11,762.76 and 2,577.30

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Solution

The fourth proportional to 7,843.50, 11,762.76 and 2,577.30 is: 3,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.50 : 11,762.76 = 2,577.30 : x
  2. Step 2: Convert to fraction form
    7,843.50/11,762.76 = 2,577.30/x
  3. Step 3: Cross multiply
    7,843.50x = 11,762.76 × 2,577.30
  4. Step 4: Simplify right side
    7,843.50x = 30,316,107.57
  5. Step 5: Solve for x
    x = 30,316,107.57/7,843.50
  6. Step 6: Final answer
    x = 3,865.12

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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.