Home / 9,210.55-13,801.01-5,511.03

Finding the Fourth Proportional to 9,210.55, 13,801.01 and 5,511.03

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Solution

The fourth proportional to 9,210.55, 13,801.01 and 5,511.03 is: 8,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.55 : 13,801.01 = 5,511.03 : x
  2. Step 2: Convert to fraction form
    9,210.55/13,801.01 = 5,511.03/x
  3. Step 3: Cross multiply
    9,210.55x = 13,801.01 × 5,511.03
  4. Step 4: Simplify right side
    9,210.55x = 76,057,780.14
  5. Step 5: Solve for x
    x = 76,057,780.14/9,210.55
  6. Step 6: Final answer
    x = 8,257.68

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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.