Home / 7,941.29-10,959.78-4,405.18

Finding the Fourth Proportional to 7,941.29, 10,959.78 and 4,405.18

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Solution

The fourth proportional to 7,941.29, 10,959.78 and 4,405.18 is: 6,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.29 : 10,959.78 = 4,405.18 : x
  2. Step 2: Convert to fraction form
    7,941.29/10,959.78 = 4,405.18/x
  3. Step 3: Cross multiply
    7,941.29x = 10,959.78 × 4,405.18
  4. Step 4: Simplify right side
    7,941.29x = 48,279,803.66
  5. Step 5: Solve for x
    x = 48,279,803.66/7,941.29
  6. Step 6: Final answer
    x = 6,079.59

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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.