Home / 5,576.09-8,365.37-1,680.21

Finding the Fourth Proportional to 5,576.09, 8,365.37 and 1,680.21

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Solution

The fourth proportional to 5,576.09, 8,365.37 and 1,680.21 is: 2,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.09 : 8,365.37 = 1,680.21 : x
  2. Step 2: Convert to fraction form
    5,576.09/8,365.37 = 1,680.21/x
  3. Step 3: Cross multiply
    5,576.09x = 8,365.37 × 1,680.21
  4. Step 4: Simplify right side
    5,576.09x = 14,055,569.93
  5. Step 5: Solve for x
    x = 14,055,569.93/5,576.09
  6. Step 6: Final answer
    x = 2,520.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.