Home / 7,942.30-10,959.60-4,405.44

Finding the Fourth Proportional to 7,942.30, 10,959.60 and 4,405.44

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Solution

The fourth proportional to 7,942.30, 10,959.60 and 4,405.44 is: 6,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.30 : 10,959.60 = 4,405.44 : x
  2. Step 2: Convert to fraction form
    7,942.30/10,959.60 = 4,405.44/x
  3. Step 3: Cross multiply
    7,942.30x = 10,959.60 × 4,405.44
  4. Step 4: Simplify right side
    7,942.30x = 48,281,860.22
  5. Step 5: Solve for x
    x = 48,281,860.22/7,942.30
  6. Step 6: Final answer
    x = 6,079.08

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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.