Home / 7,316.64-11,029.62-6,693.90

Finding the Fourth Proportional to 7,316.64, 11,029.62 and 6,693.90

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Solution

The fourth proportional to 7,316.64, 11,029.62 and 6,693.90 is: 10,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.64 : 11,029.62 = 6,693.90 : x
  2. Step 2: Convert to fraction form
    7,316.64/11,029.62 = 6,693.90/x
  3. Step 3: Cross multiply
    7,316.64x = 11,029.62 × 6,693.90
  4. Step 4: Simplify right side
    7,316.64x = 73,831,173.32
  5. Step 5: Solve for x
    x = 73,831,173.32/7,316.64
  6. Step 6: Final answer
    x = 10,090.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.