Home / 4,776.21-6,591.47-3,180.11

Finding the Fourth Proportional to 4,776.21, 6,591.47 and 3,180.11

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Solution

The fourth proportional to 4,776.21, 6,591.47 and 3,180.11 is: 4,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.21 : 6,591.47 = 3,180.11 : x
  2. Step 2: Convert to fraction form
    4,776.21/6,591.47 = 3,180.11/x
  3. Step 3: Cross multiply
    4,776.21x = 6,591.47 × 3,180.11
  4. Step 4: Simplify right side
    4,776.21x = 20,961,550.80
  5. Step 5: Solve for x
    x = 20,961,550.80/4,776.21
  6. Step 6: Final answer
    x = 4,388.74

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Half scale
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Double 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.