Home / 4,107.91-6,152.60-2,880.81

Finding the Fourth Proportional to 4,107.91, 6,152.60 and 2,880.81

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Solution

The fourth proportional to 4,107.91, 6,152.60 and 2,880.81 is: 4,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.91 : 6,152.60 = 2,880.81 : x
  2. Step 2: Convert to fraction form
    4,107.91/6,152.60 = 2,880.81/x
  3. Step 3: Cross multiply
    4,107.91x = 6,152.60 × 2,880.81
  4. Step 4: Simplify right side
    4,107.91x = 17,724,471.61
  5. Step 5: Solve for x
    x = 17,724,471.61/4,107.91
  6. Step 6: Final answer
    x = 4,314.72

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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.