Home / 4,285.62-6,423.79-2,800.16

Finding the Fourth Proportional to 4,285.62, 6,423.79 and 2,800.16

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Solution

The fourth proportional to 4,285.62, 6,423.79 and 2,800.16 is: 4,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.62 : 6,423.79 = 2,800.16 : x
  2. Step 2: Convert to fraction form
    4,285.62/6,423.79 = 2,800.16/x
  3. Step 3: Cross multiply
    4,285.62x = 6,423.79 × 2,800.16
  4. Step 4: Simplify right side
    4,285.62x = 17,987,639.81
  5. Step 5: Solve for x
    x = 17,987,639.81/4,285.62
  6. Step 6: Final answer
    x = 4,197.21

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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.