Home / 9,038.39-13,558.86-2,798.92

Finding the Fourth Proportional to 9,038.39, 13,558.86 and 2,798.92

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Solution

The fourth proportional to 9,038.39, 13,558.86 and 2,798.92 is: 4,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.39 : 13,558.86 = 2,798.92 : x
  2. Step 2: Convert to fraction form
    9,038.39/13,558.86 = 2,798.92/x
  3. Step 3: Cross multiply
    9,038.39x = 13,558.86 × 2,798.92
  4. Step 4: Simplify right side
    9,038.39x = 37,950,181.38
  5. Step 5: Solve for x
    x = 37,950,181.38/9,038.39
  6. Step 6: Final answer
    x = 4,198.78

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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.