Home / 4,660.40-6,429.72-2,982.08

Finding the Fourth Proportional to 4,660.40, 6,429.72 and 2,982.08

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Solution

The fourth proportional to 4,660.40, 6,429.72 and 2,982.08 is: 4,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.40 : 6,429.72 = 2,982.08 : x
  2. Step 2: Convert to fraction form
    4,660.40/6,429.72 = 2,982.08/x
  3. Step 3: Cross multiply
    4,660.40x = 6,429.72 × 2,982.08
  4. Step 4: Simplify right side
    4,660.40x = 19,173,939.42
  5. Step 5: Solve for x
    x = 19,173,939.42/4,660.40
  6. Step 6: Final answer
    x = 4,114.23

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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.