Home / 4,429.69-6,112.75-2,440.21

Finding the Fourth Proportional to 4,429.69, 6,112.75 and 2,440.21

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Solution

The fourth proportional to 4,429.69, 6,112.75 and 2,440.21 is: 3,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.69 : 6,112.75 = 2,440.21 : x
  2. Step 2: Convert to fraction form
    4,429.69/6,112.75 = 2,440.21/x
  3. Step 3: Cross multiply
    4,429.69x = 6,112.75 × 2,440.21
  4. Step 4: Simplify right side
    4,429.69x = 14,916,393.68
  5. Step 5: Solve for x
    x = 14,916,393.68/4,429.69
  6. Step 6: Final answer
    x = 3,367.37

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Half scale
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Double scale
Find fourth proportional to 4,430.69, 6,114.13 and 2,441.21
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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.