Home / 6,663.18-9,195.23-3,679.20

Finding the Fourth Proportional to 6,663.18, 9,195.23 and 3,679.20

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Solution

The fourth proportional to 6,663.18, 9,195.23 and 3,679.20 is: 5,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.18 : 9,195.23 = 3,679.20 : x
  2. Step 2: Convert to fraction form
    6,663.18/9,195.23 = 3,679.20/x
  3. Step 3: Cross multiply
    6,663.18x = 9,195.23 × 3,679.20
  4. Step 4: Simplify right side
    6,663.18x = 33,831,071.82
  5. Step 5: Solve for x
    x = 33,831,071.82/6,663.18
  6. Step 6: Final answer
    x = 5,077.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.