Home / 6,989.90-10,486.56-2,059.53

Finding the Fourth Proportional to 6,989.90, 10,486.56 and 2,059.53

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Solution

The fourth proportional to 6,989.90, 10,486.56 and 2,059.53 is: 3,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.90 : 10,486.56 = 2,059.53 : x
  2. Step 2: Convert to fraction form
    6,989.90/10,486.56 = 2,059.53/x
  3. Step 3: Cross multiply
    6,989.90x = 10,486.56 × 2,059.53
  4. Step 4: Simplify right side
    6,989.90x = 21,597,353.32
  5. Step 5: Solve for x
    x = 21,597,353.32/6,989.90
  6. Step 6: Final answer
    x = 3,089.80

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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.