Home / 5,486.73-7,573.11-3,389.64

Finding the Fourth Proportional to 5,486.73, 7,573.11 and 3,389.64

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Solution

The fourth proportional to 5,486.73, 7,573.11 and 3,389.64 is: 4,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.73 : 7,573.11 = 3,389.64 : x
  2. Step 2: Convert to fraction form
    5,486.73/7,573.11 = 3,389.64/x
  3. Step 3: Cross multiply
    5,486.73x = 7,573.11 × 3,389.64
  4. Step 4: Simplify right side
    5,486.73x = 25,670,116.58
  5. Step 5: Solve for x
    x = 25,670,116.58/5,486.73
  6. Step 6: Final answer
    x = 4,678.58

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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.