Home / 4,812.76-6,646.20-4,550.69

Finding the Fourth Proportional to 4,812.76, 6,646.20 and 4,550.69

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Solution

The fourth proportional to 4,812.76, 6,646.20 and 4,550.69 is: 6,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.76 : 6,646.20 = 4,550.69 : x
  2. Step 2: Convert to fraction form
    4,812.76/6,646.20 = 4,550.69/x
  3. Step 3: Cross multiply
    4,812.76x = 6,646.20 × 4,550.69
  4. Step 4: Simplify right side
    4,812.76x = 30,244,795.88
  5. Step 5: Solve for x
    x = 30,244,795.88/4,812.76
  6. Step 6: Final answer
    x = 6,284.29

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Half scale
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Double scale
Find fourth proportional to 4,813.76, 6,647.58 and 4,551.69
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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.