Home / 7,040.45-10,563.48-3,089.61

Finding the Fourth Proportional to 7,040.45, 10,563.48 and 3,089.61

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Solution

The fourth proportional to 7,040.45, 10,563.48 and 3,089.61 is: 4,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.45 : 10,563.48 = 3,089.61 : x
  2. Step 2: Convert to fraction form
    7,040.45/10,563.48 = 3,089.61/x
  3. Step 3: Cross multiply
    7,040.45x = 10,563.48 × 3,089.61
  4. Step 4: Simplify right side
    7,040.45x = 32,637,033.44
  5. Step 5: Solve for x
    x = 32,637,033.44/7,040.45
  6. Step 6: Final answer
    x = 4,635.65

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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.