Home / 5,409.25-8,114.67-1,710.64

Finding the Fourth Proportional to 5,409.25, 8,114.67 and 1,710.64

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Solution

The fourth proportional to 5,409.25, 8,114.67 and 1,710.64 is: 2,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.25 : 8,114.67 = 1,710.64 : x
  2. Step 2: Convert to fraction form
    5,409.25/8,114.67 = 1,710.64/x
  3. Step 3: Cross multiply
    5,409.25x = 8,114.67 × 1,710.64
  4. Step 4: Simplify right side
    5,409.25x = 13,881,279.09
  5. Step 5: Solve for x
    x = 13,881,279.09/5,409.25
  6. Step 6: Final answer
    x = 2,566.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.