Home / 7,809.32-10,776.77-4,452.12

Finding the Fourth Proportional to 7,809.32, 10,776.77 and 4,452.12

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Solution

The fourth proportional to 7,809.32, 10,776.77 and 4,452.12 is: 6,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.32 : 10,776.77 = 4,452.12 : x
  2. Step 2: Convert to fraction form
    7,809.32/10,776.77 = 4,452.12/x
  3. Step 3: Cross multiply
    7,809.32x = 10,776.77 × 4,452.12
  4. Step 4: Simplify right side
    7,809.32x = 47,979,450.99
  5. Step 5: Solve for x
    x = 47,979,450.99/7,809.32
  6. Step 6: Final answer
    x = 6,143.87

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Half scale
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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.