Home / 7,156.29-10,733.19-1,891.36

Finding the Fourth Proportional to 7,156.29, 10,733.19 and 1,891.36

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Solution

The fourth proportional to 7,156.29, 10,733.19 and 1,891.36 is: 2,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.29 : 10,733.19 = 1,891.36 : x
  2. Step 2: Convert to fraction form
    7,156.29/10,733.19 = 1,891.36/x
  3. Step 3: Cross multiply
    7,156.29x = 10,733.19 × 1,891.36
  4. Step 4: Simplify right side
    7,156.29x = 20,300,272.57
  5. Step 5: Solve for x
    x = 20,300,272.57/7,156.29
  6. Step 6: Final answer
    x = 2,836.70

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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.