Home / 5,576.25-8,364.38-1,680.66

Finding the Fourth Proportional to 5,576.25, 8,364.38 and 1,680.66

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Solution

The fourth proportional to 5,576.25, 8,364.38 and 1,680.66 is: 2,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.25 : 8,364.38 = 1,680.66 : x
  2. Step 2: Convert to fraction form
    5,576.25/8,364.38 = 1,680.66/x
  3. Step 3: Cross multiply
    5,576.25x = 8,364.38 × 1,680.66
  4. Step 4: Simplify right side
    5,576.25x = 14,057,670.49
  5. Step 5: Solve for x
    x = 14,057,670.49/5,576.25
  6. Step 6: Final answer
    x = 2,520.99

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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.