Home / 4,276.50-5,900.85-2,857.91

Finding the Fourth Proportional to 4,276.50, 5,900.85 and 2,857.91

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Solution

The fourth proportional to 4,276.50, 5,900.85 and 2,857.91 is: 3,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.50 : 5,900.85 = 2,857.91 : x
  2. Step 2: Convert to fraction form
    4,276.50/5,900.85 = 2,857.91/x
  3. Step 3: Cross multiply
    4,276.50x = 5,900.85 × 2,857.91
  4. Step 4: Simplify right side
    4,276.50x = 16,864,068.72
  5. Step 5: Solve for x
    x = 16,864,068.72/4,276.50
  6. Step 6: Final answer
    x = 3,943.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.