Home / 6,123.02-9,181.89-1,961.64

Finding the Fourth Proportional to 6,123.02, 9,181.89 and 1,961.64

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Solution

The fourth proportional to 6,123.02, 9,181.89 and 1,961.64 is: 2,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.02 : 9,181.89 = 1,961.64 : x
  2. Step 2: Convert to fraction form
    6,123.02/9,181.89 = 1,961.64/x
  3. Step 3: Cross multiply
    6,123.02x = 9,181.89 × 1,961.64
  4. Step 4: Simplify right side
    6,123.02x = 18,011,562.70
  5. Step 5: Solve for x
    x = 18,011,562.70/6,123.02
  6. Step 6: Final answer
    x = 2,941.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.