Home / 9,131.60-13,698.09-2,557.55

Finding the Fourth Proportional to 9,131.60, 13,698.09 and 2,557.55

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Solution

The fourth proportional to 9,131.60, 13,698.09 and 2,557.55 is: 3,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.60 : 13,698.09 = 2,557.55 : x
  2. Step 2: Convert to fraction form
    9,131.60/13,698.09 = 2,557.55/x
  3. Step 3: Cross multiply
    9,131.60x = 13,698.09 × 2,557.55
  4. Step 4: Simplify right side
    9,131.60x = 35,033,584.32
  5. Step 5: Solve for x
    x = 35,033,584.32/9,131.60
  6. Step 6: Final answer
    x = 3,836.52

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1.5x scale

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.