Home / 9,029.26-13,538.93-2,787.55

Finding the Fourth Proportional to 9,029.26, 13,538.93 and 2,787.55

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Solution

The fourth proportional to 9,029.26, 13,538.93 and 2,787.55 is: 4,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.26 : 13,538.93 = 2,787.55 : x
  2. Step 2: Convert to fraction form
    9,029.26/13,538.93 = 2,787.55/x
  3. Step 3: Cross multiply
    9,029.26x = 13,538.93 × 2,787.55
  4. Step 4: Simplify right side
    9,029.26x = 37,740,444.32
  5. Step 5: Solve for x
    x = 37,740,444.32/9,029.26
  6. Step 6: Final answer
    x = 4,179.79

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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.