Home / 6,880.38-10,320.57-2,773.50

Finding the Fourth Proportional to 6,880.38, 10,320.57 and 2,773.50

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Solution

The fourth proportional to 6,880.38, 10,320.57 and 2,773.50 is: 4,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.38 : 10,320.57 = 2,773.50 : x
  2. Step 2: Convert to fraction form
    6,880.38/10,320.57 = 2,773.50/x
  3. Step 3: Cross multiply
    6,880.38x = 10,320.57 × 2,773.50
  4. Step 4: Simplify right side
    6,880.38x = 28,624,100.90
  5. Step 5: Solve for x
    x = 28,624,100.90/6,880.38
  6. Step 6: Final answer
    x = 4,160.25

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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.