Home / 4,431.68-6,114.64-2,919.08

Finding the Fourth Proportional to 4,431.68, 6,114.64 and 2,919.08

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Solution

The fourth proportional to 4,431.68, 6,114.64 and 2,919.08 is: 4,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.68 : 6,114.64 = 2,919.08 : x
  2. Step 2: Convert to fraction form
    4,431.68/6,114.64 = 2,919.08/x
  3. Step 3: Cross multiply
    4,431.68x = 6,114.64 × 2,919.08
  4. Step 4: Simplify right side
    4,431.68x = 17,849,123.33
  5. Step 5: Solve for x
    x = 17,849,123.33/4,431.68
  6. Step 6: Final answer
    x = 4,027.62

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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.