Home / 9,017.82-13,528.02-2,778.36

Finding the Fourth Proportional to 9,017.82, 13,528.02 and 2,778.36

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Solution

The fourth proportional to 9,017.82, 13,528.02 and 2,778.36 is: 4,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.82 : 13,528.02 = 2,778.36 : x
  2. Step 2: Convert to fraction form
    9,017.82/13,528.02 = 2,778.36/x
  3. Step 3: Cross multiply
    9,017.82x = 13,528.02 × 2,778.36
  4. Step 4: Simplify right side
    9,017.82x = 37,585,709.65
  5. Step 5: Solve for x
    x = 37,585,709.65/9,017.82
  6. Step 6: Final answer
    x = 4,167.94

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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.