Home / 6,280.77-9,423.14-3,942.40

Finding the Fourth Proportional to 6,280.77, 9,423.14 and 3,942.40

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Solution

The fourth proportional to 6,280.77, 9,423.14 and 3,942.40 is: 5,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.77 : 9,423.14 = 3,942.40 : x
  2. Step 2: Convert to fraction form
    6,280.77/9,423.14 = 3,942.40/x
  3. Step 3: Cross multiply
    6,280.77x = 9,423.14 × 3,942.40
  4. Step 4: Simplify right side
    6,280.77x = 37,149,787.14
  5. Step 5: Solve for x
    x = 37,149,787.14/6,280.77
  6. Step 6: Final answer
    x = 5,914.85

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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.