Home / 6,890.23-10,335.18-1,959.82

Finding the Fourth Proportional to 6,890.23, 10,335.18 and 1,959.82

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Solution

The fourth proportional to 6,890.23, 10,335.18 and 1,959.82 is: 2,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.23 : 10,335.18 = 1,959.82 : x
  2. Step 2: Convert to fraction form
    6,890.23/10,335.18 = 1,959.82/x
  3. Step 3: Cross multiply
    6,890.23x = 10,335.18 × 1,959.82
  4. Step 4: Simplify right side
    6,890.23x = 20,255,092.47
  5. Step 5: Solve for x
    x = 20,255,092.47/6,890.23
  6. Step 6: Final answer
    x = 2,939.68

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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.