Home / 7,941.90-10,959.82-4,405.11

Finding the Fourth Proportional to 7,941.90, 10,959.82 and 4,405.11

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Solution

The fourth proportional to 7,941.90, 10,959.82 and 4,405.11 is: 6,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.90 : 10,959.82 = 4,405.11 : x
  2. Step 2: Convert to fraction form
    7,941.90/10,959.82 = 4,405.11/x
  3. Step 3: Cross multiply
    7,941.90x = 10,959.82 × 4,405.11
  4. Step 4: Simplify right side
    7,941.90x = 48,279,177.09
  5. Step 5: Solve for x
    x = 48,279,177.09/7,941.90
  6. Step 6: Final answer
    x = 6,079.05

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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.