Home / 6,880.78-9,499.41-4,529.75

Finding the Fourth Proportional to 6,880.78, 9,499.41 and 4,529.75

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Solution

The fourth proportional to 6,880.78, 9,499.41 and 4,529.75 is: 6,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.78 : 9,499.41 = 4,529.75 : x
  2. Step 2: Convert to fraction form
    6,880.78/9,499.41 = 4,529.75/x
  3. Step 3: Cross multiply
    6,880.78x = 9,499.41 × 4,529.75
  4. Step 4: Simplify right side
    6,880.78x = 43,029,952.45
  5. Step 5: Solve for x
    x = 43,029,952.45/6,880.78
  6. Step 6: Final answer
    x = 6,253.65

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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.