Home / 9,128.80-13,693.03-2,554.89

Finding the Fourth Proportional to 9,128.80, 13,693.03 and 2,554.89

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Solution

The fourth proportional to 9,128.80, 13,693.03 and 2,554.89 is: 3,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.80 : 13,693.03 = 2,554.89 : x
  2. Step 2: Convert to fraction form
    9,128.80/13,693.03 = 2,554.89/x
  3. Step 3: Cross multiply
    9,128.80x = 13,693.03 × 2,554.89
  4. Step 4: Simplify right side
    9,128.80x = 34,984,185.42
  5. Step 5: Solve for x
    x = 34,984,185.42/9,128.80
  6. Step 6: Final answer
    x = 3,832.29

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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.