Home / 6,942.42-9,579.02-3,957.44

Finding the Fourth Proportional to 6,942.42, 9,579.02 and 3,957.44

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Solution

The fourth proportional to 6,942.42, 9,579.02 and 3,957.44 is: 5,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.42 : 9,579.02 = 3,957.44 : x
  2. Step 2: Convert to fraction form
    6,942.42/9,579.02 = 3,957.44/x
  3. Step 3: Cross multiply
    6,942.42x = 9,579.02 × 3,957.44
  4. Step 4: Simplify right side
    6,942.42x = 37,908,396.91
  5. Step 5: Solve for x
    x = 37,908,396.91/6,942.42
  6. Step 6: Final answer
    x = 5,460.40

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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.