Home / 5,543.91-8,315.87-3,698.63

Finding the Fourth Proportional to 5,543.91, 8,315.87 and 3,698.63

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Solution

The fourth proportional to 5,543.91, 8,315.87 and 3,698.63 is: 5,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.91 : 8,315.87 = 3,698.63 : x
  2. Step 2: Convert to fraction form
    5,543.91/8,315.87 = 3,698.63/x
  3. Step 3: Cross multiply
    5,543.91x = 8,315.87 × 3,698.63
  4. Step 4: Simplify right side
    5,543.91x = 30,757,286.98
  5. Step 5: Solve for x
    x = 30,757,286.98/5,543.91
  6. Step 6: Final answer
    x = 5,547.94

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Double scale
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Similar ratio
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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.