Home / 4,448.47-6,140.15-2,680.19

Finding the Fourth Proportional to 4,448.47, 6,140.15 and 2,680.19

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Solution

The fourth proportional to 4,448.47, 6,140.15 and 2,680.19 is: 3,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.47 : 6,140.15 = 2,680.19 : x
  2. Step 2: Convert to fraction form
    4,448.47/6,140.15 = 2,680.19/x
  3. Step 3: Cross multiply
    4,448.47x = 6,140.15 × 2,680.19
  4. Step 4: Simplify right side
    4,448.47x = 16,456,772.68
  5. Step 5: Solve for x
    x = 16,456,772.68/4,448.47
  6. Step 6: Final answer
    x = 3,699.42

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Half scale
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Double scale
Find fourth proportional to 4,449.47, 6,141.53 and 2,681.19
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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.