Home / 6,675.62-9,210.93-3,879.62

Finding the Fourth Proportional to 6,675.62, 9,210.93 and 3,879.62

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Solution

The fourth proportional to 6,675.62, 9,210.93 and 3,879.62 is: 5,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.62 : 9,210.93 = 3,879.62 : x
  2. Step 2: Convert to fraction form
    6,675.62/9,210.93 = 3,879.62/x
  3. Step 3: Cross multiply
    6,675.62x = 9,210.93 × 3,879.62
  4. Step 4: Simplify right side
    6,675.62x = 35,734,908.25
  5. Step 5: Solve for x
    x = 35,734,908.25/6,675.62
  6. Step 6: Final answer
    x = 5,353.05

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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.