Home / 6,743.56-10,117.74-3,458.20

Finding the Fourth Proportional to 6,743.56, 10,117.74 and 3,458.20

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Solution

The fourth proportional to 6,743.56, 10,117.74 and 3,458.20 is: 5,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.56 : 10,117.74 = 3,458.20 : x
  2. Step 2: Convert to fraction form
    6,743.56/10,117.74 = 3,458.20/x
  3. Step 3: Cross multiply
    6,743.56x = 10,117.74 × 3,458.20
  4. Step 4: Simplify right side
    6,743.56x = 34,989,168.47
  5. Step 5: Solve for x
    x = 34,989,168.47/6,743.56
  6. Step 6: Final answer
    x = 5,188.53

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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.