Home / 9,036.78-13,555.85-2,797.42

Finding the Fourth Proportional to 9,036.78, 13,555.85 and 2,797.42

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Solution

The fourth proportional to 9,036.78, 13,555.85 and 2,797.42 is: 4,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.78 : 13,555.85 = 2,797.42 : x
  2. Step 2: Convert to fraction form
    9,036.78/13,555.85 = 2,797.42/x
  3. Step 3: Cross multiply
    9,036.78x = 13,555.85 × 2,797.42
  4. Step 4: Simplify right side
    9,036.78x = 37,921,405.91
  5. Step 5: Solve for x
    x = 37,921,405.91/9,036.78
  6. Step 6: Final answer
    x = 4,196.34

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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.