Home / 4,380.90-6,045.72-2,391.54

Finding the Fourth Proportional to 4,380.90, 6,045.72 and 2,391.54

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Solution

The fourth proportional to 4,380.90, 6,045.72 and 2,391.54 is: 3,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.90 : 6,045.72 = 2,391.54 : x
  2. Step 2: Convert to fraction form
    4,380.90/6,045.72 = 2,391.54/x
  3. Step 3: Cross multiply
    4,380.90x = 6,045.72 × 2,391.54
  4. Step 4: Simplify right side
    4,380.90x = 14,458,581.21
  5. Step 5: Solve for x
    x = 14,458,581.21/4,380.90
  6. Step 6: Final answer
    x = 3,300.37

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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.