Home / 6,790.21-10,176.81-3,670.09

Finding the Fourth Proportional to 6,790.21, 10,176.81 and 3,670.09

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Solution

The fourth proportional to 6,790.21, 10,176.81 and 3,670.09 is: 5,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.21 : 10,176.81 = 3,670.09 : x
  2. Step 2: Convert to fraction form
    6,790.21/10,176.81 = 3,670.09/x
  3. Step 3: Cross multiply
    6,790.21x = 10,176.81 × 3,670.09
  4. Step 4: Simplify right side
    6,790.21x = 37,349,808.61
  5. Step 5: Solve for x
    x = 37,349,808.61/6,790.21
  6. Step 6: Final answer
    x = 5,500.54

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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.