Home / 6,666.60-9,997.02-2,768.34

Finding the Fourth Proportional to 6,666.60, 9,997.02 and 2,768.34

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Solution

The fourth proportional to 6,666.60, 9,997.02 and 2,768.34 is: 4,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.60 : 9,997.02 = 2,768.34 : x
  2. Step 2: Convert to fraction form
    6,666.60/9,997.02 = 2,768.34/x
  3. Step 3: Cross multiply
    6,666.60x = 9,997.02 × 2,768.34
  4. Step 4: Simplify right side
    6,666.60x = 27,675,150.35
  5. Step 5: Solve for x
    x = 27,675,150.35/6,666.60
  6. Step 6: Final answer
    x = 4,151.31

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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.