Home / 7,751.30-11,628.72-2,753.42

Finding the Fourth Proportional to 7,751.30, 11,628.72 and 2,753.42

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Solution

The fourth proportional to 7,751.30, 11,628.72 and 2,753.42 is: 4,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.30 : 11,628.72 = 2,753.42 : x
  2. Step 2: Convert to fraction form
    7,751.30/11,628.72 = 2,753.42/x
  3. Step 3: Cross multiply
    7,751.30x = 11,628.72 × 2,753.42
  4. Step 4: Simplify right side
    7,751.30x = 32,018,692.08
  5. Step 5: Solve for x
    x = 32,018,692.08/7,751.30
  6. Step 6: Final answer
    x = 4,130.75

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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.