Home / 9,660.70-13,330.01-5,682.60

Finding the Fourth Proportional to 9,660.70, 13,330.01 and 5,682.60

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Solution

The fourth proportional to 9,660.70, 13,330.01 and 5,682.60 is: 7,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.70 : 13,330.01 = 5,682.60 : x
  2. Step 2: Convert to fraction form
    9,660.70/13,330.01 = 5,682.60/x
  3. Step 3: Cross multiply
    9,660.70x = 13,330.01 × 5,682.60
  4. Step 4: Simplify right side
    9,660.70x = 75,749,114.83
  5. Step 5: Solve for x
    x = 75,749,114.83/9,660.70
  6. Step 6: Final answer
    x = 7,840.96

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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.