Home / 4,380.72-6,045.23-2,391.28

Finding the Fourth Proportional to 4,380.72, 6,045.23 and 2,391.28

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Solution

The fourth proportional to 4,380.72, 6,045.23 and 2,391.28 is: 3,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.72 : 6,045.23 = 2,391.28 : x
  2. Step 2: Convert to fraction form
    4,380.72/6,045.23 = 2,391.28/x
  3. Step 3: Cross multiply
    4,380.72x = 6,045.23 × 2,391.28
  4. Step 4: Simplify right side
    4,380.72x = 14,455,815.01
  5. Step 5: Solve for x
    x = 14,455,815.01/4,380.72
  6. Step 6: Final answer
    x = 3,299.87

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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.