Home / 5,485.16-7,569.96-3,389.96

Finding the Fourth Proportional to 5,485.16, 7,569.96 and 3,389.96

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Solution

The fourth proportional to 5,485.16, 7,569.96 and 3,389.96 is: 4,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.16 : 7,569.96 = 3,389.96 : x
  2. Step 2: Convert to fraction form
    5,485.16/7,569.96 = 3,389.96/x
  3. Step 3: Cross multiply
    5,485.16x = 7,569.96 × 3,389.96
  4. Step 4: Simplify right side
    5,485.16x = 25,661,861.60
  5. Step 5: Solve for x
    x = 25,661,861.60/5,485.16
  6. Step 6: Final answer
    x = 4,678.42

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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.