Home / 5,175.14-7,758.63-2,709.50

Finding the Fourth Proportional to 5,175.14, 7,758.63 and 2,709.50

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Solution

The fourth proportional to 5,175.14, 7,758.63 and 2,709.50 is: 4,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.14 : 7,758.63 = 2,709.50 : x
  2. Step 2: Convert to fraction form
    5,175.14/7,758.63 = 2,709.50/x
  3. Step 3: Cross multiply
    5,175.14x = 7,758.63 × 2,709.50
  4. Step 4: Simplify right side
    5,175.14x = 21,021,969.19
  5. Step 5: Solve for x
    x = 21,021,969.19/5,175.14
  6. Step 6: Final answer
    x = 4,062.11

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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.