Home / 4,590.46-6,880.39-2,120.10

Finding the Fourth Proportional to 4,590.46, 6,880.39 and 2,120.10

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Solution

The fourth proportional to 4,590.46, 6,880.39 and 2,120.10 is: 3,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.46 : 6,880.39 = 2,120.10 : x
  2. Step 2: Convert to fraction form
    4,590.46/6,880.39 = 2,120.10/x
  3. Step 3: Cross multiply
    4,590.46x = 6,880.39 × 2,120.10
  4. Step 4: Simplify right side
    4,590.46x = 14,587,115.01
  5. Step 5: Solve for x
    x = 14,587,115.01/4,590.46
  6. Step 6: Final answer
    x = 3,177.70

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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.