Home / 6,911.58-9,538.05-3,767.77

Finding the Fourth Proportional to 6,911.58, 9,538.05 and 3,767.77

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Solution

The fourth proportional to 6,911.58, 9,538.05 and 3,767.77 is: 5,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.58 : 9,538.05 = 3,767.77 : x
  2. Step 2: Convert to fraction form
    6,911.58/9,538.05 = 3,767.77/x
  3. Step 3: Cross multiply
    6,911.58x = 9,538.05 × 3,767.77
  4. Step 4: Simplify right side
    6,911.58x = 35,937,151.05
  5. Step 5: Solve for x
    x = 35,937,151.05/6,911.58
  6. Step 6: Final answer
    x = 5,199.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.