Home / 6,857.76-10,280.88-4,660.32

Finding the Fourth Proportional to 6,857.76, 10,280.88 and 4,660.32

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Solution

The fourth proportional to 6,857.76, 10,280.88 and 4,660.32 is: 6,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.76 : 10,280.88 = 4,660.32 : x
  2. Step 2: Convert to fraction form
    6,857.76/10,280.88 = 4,660.32/x
  3. Step 3: Cross multiply
    6,857.76x = 10,280.88 × 4,660.32
  4. Step 4: Simplify right side
    6,857.76x = 47,912,190.68
  5. Step 5: Solve for x
    x = 47,912,190.68/6,857.76
  6. Step 6: Final answer
    x = 6,986.57

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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.