Home / 9,130.90-13,696.74-2,557.48

Finding the Fourth Proportional to 9,130.90, 13,696.74 and 2,557.48

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Solution

The fourth proportional to 9,130.90, 13,696.74 and 2,557.48 is: 3,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.90 : 13,696.74 = 2,557.48 : x
  2. Step 2: Convert to fraction form
    9,130.90/13,696.74 = 2,557.48/x
  3. Step 3: Cross multiply
    9,130.90x = 13,696.74 × 2,557.48
  4. Step 4: Simplify right side
    9,130.90x = 35,029,138.62
  5. Step 5: Solve for x
    x = 35,029,138.62/9,130.90
  6. Step 6: Final answer
    x = 3,836.33

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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.