Home / 6,660.20-9,977.10-5,839.40

Finding the Fourth Proportional to 6,660.20, 9,977.10 and 5,839.40

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Solution

The fourth proportional to 6,660.20, 9,977.10 and 5,839.40 is: 8,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.20 : 9,977.10 = 5,839.40 : x
  2. Step 2: Convert to fraction form
    6,660.20/9,977.10 = 5,839.40/x
  3. Step 3: Cross multiply
    6,660.20x = 9,977.10 × 5,839.40
  4. Step 4: Simplify right side
    6,660.20x = 58,260,277.74
  5. Step 5: Solve for x
    x = 58,260,277.74/6,660.20
  6. Step 6: Final answer
    x = 8,747.53

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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.