Home / 5,405.74-7,458.63-3,047.89

Finding the Fourth Proportional to 5,405.74, 7,458.63 and 3,047.89

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Solution

The fourth proportional to 5,405.74, 7,458.63 and 3,047.89 is: 4,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.74 : 7,458.63 = 3,047.89 : x
  2. Step 2: Convert to fraction form
    5,405.74/7,458.63 = 3,047.89/x
  3. Step 3: Cross multiply
    5,405.74x = 7,458.63 × 3,047.89
  4. Step 4: Simplify right side
    5,405.74x = 22,733,083.79
  5. Step 5: Solve for x
    x = 22,733,083.79/5,405.74
  6. Step 6: Final answer
    x = 4,205.36

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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.