Home / 4,139.07-5,711.91-2,276.07

Finding the Fourth Proportional to 4,139.07, 5,711.91 and 2,276.07

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Solution

The fourth proportional to 4,139.07, 5,711.91 and 2,276.07 is: 3,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.07 : 5,711.91 = 2,276.07 : x
  2. Step 2: Convert to fraction form
    4,139.07/5,711.91 = 2,276.07/x
  3. Step 3: Cross multiply
    4,139.07x = 5,711.91 × 2,276.07
  4. Step 4: Simplify right side
    4,139.07x = 13,000,706.99
  5. Step 5: Solve for x
    x = 13,000,706.99/4,139.07
  6. Step 6: Final answer
    x = 3,140.97

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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.