Home / 4,001.16-5,520.82-3,405.89

Finding the Fourth Proportional to 4,001.16, 5,520.82 and 3,405.89

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Solution

The fourth proportional to 4,001.16, 5,520.82 and 3,405.89 is: 4,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.16 : 5,520.82 = 3,405.89 : x
  2. Step 2: Convert to fraction form
    4,001.16/5,520.82 = 3,405.89/x
  3. Step 3: Cross multiply
    4,001.16x = 5,520.82 × 3,405.89
  4. Step 4: Simplify right side
    4,001.16x = 18,803,305.63
  5. Step 5: Solve for x
    x = 18,803,305.63/4,001.16
  6. Step 6: Final answer
    x = 4,699.46

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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.