Home / 4,005.12-5,526.83-2,391.85

Finding the Fourth Proportional to 4,005.12, 5,526.83 and 2,391.85

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Solution

The fourth proportional to 4,005.12, 5,526.83 and 2,391.85 is: 3,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.12 : 5,526.83 = 2,391.85 : x
  2. Step 2: Convert to fraction form
    4,005.12/5,526.83 = 2,391.85/x
  3. Step 3: Cross multiply
    4,005.12x = 5,526.83 × 2,391.85
  4. Step 4: Simplify right side
    4,005.12x = 13,219,334.52
  5. Step 5: Solve for x
    x = 13,219,334.52/4,005.12
  6. Step 6: Final answer
    x = 3,300.61

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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.