Home / 6,899.90-10,337.70-5,660.60

Finding the Fourth Proportional to 6,899.90, 10,337.70 and 5,660.60

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Solution

The fourth proportional to 6,899.90, 10,337.70 and 5,660.60 is: 8,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.90 : 10,337.70 = 5,660.60 : x
  2. Step 2: Convert to fraction form
    6,899.90/10,337.70 = 5,660.60/x
  3. Step 3: Cross multiply
    6,899.90x = 10,337.70 × 5,660.60
  4. Step 4: Simplify right side
    6,899.90x = 58,517,584.62
  5. Step 5: Solve for x
    x = 58,517,584.62/6,899.90
  6. Step 6: Final answer
    x = 8,480.93

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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.