Home / 9,000.45-13,501.86-2,760.89

Finding the Fourth Proportional to 9,000.45, 13,501.86 and 2,760.89

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Solution

The fourth proportional to 9,000.45, 13,501.86 and 2,760.89 is: 4,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.45 : 13,501.86 = 2,760.89 : x
  2. Step 2: Convert to fraction form
    9,000.45/13,501.86 = 2,760.89/x
  3. Step 3: Cross multiply
    9,000.45x = 13,501.86 × 2,760.89
  4. Step 4: Simplify right side
    9,000.45x = 37,277,072.39
  5. Step 5: Solve for x
    x = 37,277,072.39/9,000.45
  6. Step 6: Final answer
    x = 4,141.69

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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.