Home / 7,941.80-10,959.72-4,405.08

Finding the Fourth Proportional to 7,941.80, 10,959.72 and 4,405.08

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Solution

The fourth proportional to 7,941.80, 10,959.72 and 4,405.08 is: 6,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.80 : 10,959.72 = 4,405.08 : x
  2. Step 2: Convert to fraction form
    7,941.80/10,959.72 = 4,405.08/x
  3. Step 3: Cross multiply
    7,941.80x = 10,959.72 × 4,405.08
  4. Step 4: Simplify right side
    7,941.80x = 48,278,443.38
  5. Step 5: Solve for x
    x = 48,278,443.38/7,941.80
  6. Step 6: Final answer
    x = 6,079.03

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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.