Home / 6,890.42-10,334.08-1,959.95

Finding the Fourth Proportional to 6,890.42, 10,334.08 and 1,959.95

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Solution

The fourth proportional to 6,890.42, 10,334.08 and 1,959.95 is: 2,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.42 : 10,334.08 = 1,959.95 : x
  2. Step 2: Convert to fraction form
    6,890.42/10,334.08 = 1,959.95/x
  3. Step 3: Cross multiply
    6,890.42x = 10,334.08 × 1,959.95
  4. Step 4: Simplify right side
    6,890.42x = 20,254,308.38
  5. Step 5: Solve for x
    x = 20,254,308.38/6,890.42
  6. Step 6: Final answer
    x = 2,939.49

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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.