Home / 4,390.65-6,064.79-3,556.89

Finding the Fourth Proportional to 4,390.65, 6,064.79 and 3,556.89

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Solution

The fourth proportional to 4,390.65, 6,064.79 and 3,556.89 is: 4,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.65 : 6,064.79 = 3,556.89 : x
  2. Step 2: Convert to fraction form
    4,390.65/6,064.79 = 3,556.89/x
  3. Step 3: Cross multiply
    4,390.65x = 6,064.79 × 3,556.89
  4. Step 4: Simplify right side
    4,390.65x = 21,571,773.12
  5. Step 5: Solve for x
    x = 21,571,773.12/4,390.65
  6. Step 6: Final answer
    x = 4,913.12

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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.