Home / 5,543.48-8,315.21-3,698.20

Finding the Fourth Proportional to 5,543.48, 8,315.21 and 3,698.20

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Solution

The fourth proportional to 5,543.48, 8,315.21 and 3,698.20 is: 5,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.48 : 8,315.21 = 3,698.20 : x
  2. Step 2: Convert to fraction form
    5,543.48/8,315.21 = 3,698.20/x
  3. Step 3: Cross multiply
    5,543.48x = 8,315.21 × 3,698.20
  4. Step 4: Simplify right side
    5,543.48x = 30,751,268.05
  5. Step 5: Solve for x
    x = 30,751,268.05/5,543.48
  6. Step 6: Final answer
    x = 5,547.29

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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.