Home / 5,660.43-7,811.69-4,260.75

Finding the Fourth Proportional to 5,660.43, 7,811.69 and 4,260.75

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Solution

The fourth proportional to 5,660.43, 7,811.69 and 4,260.75 is: 5,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.43 : 7,811.69 = 4,260.75 : x
  2. Step 2: Convert to fraction form
    5,660.43/7,811.69 = 4,260.75/x
  3. Step 3: Cross multiply
    5,660.43x = 7,811.69 × 4,260.75
  4. Step 4: Simplify right side
    5,660.43x = 33,283,636.86
  5. Step 5: Solve for x
    x = 33,283,636.86/5,660.43
  6. Step 6: Final answer
    x = 5,880.05

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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.