Home / 6,670.35-9,205.89-3,875.85

Finding the Fourth Proportional to 6,670.35, 9,205.89 and 3,875.85

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Solution

The fourth proportional to 6,670.35, 9,205.89 and 3,875.85 is: 5,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.35 : 9,205.89 = 3,875.85 : x
  2. Step 2: Convert to fraction form
    6,670.35/9,205.89 = 3,875.85/x
  3. Step 3: Cross multiply
    6,670.35x = 9,205.89 × 3,875.85
  4. Step 4: Simplify right side
    6,670.35x = 35,680,583.35
  5. Step 5: Solve for x
    x = 35,680,583.35/6,670.35
  6. Step 6: Final answer
    x = 5,349.14

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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.