Home / 7,675.41-11,510.67-3,291.69

Finding the Fourth Proportional to 7,675.41, 11,510.67 and 3,291.69

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Solution

The fourth proportional to 7,675.41, 11,510.67 and 3,291.69 is: 4,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.41 : 11,510.67 = 3,291.69 : x
  2. Step 2: Convert to fraction form
    7,675.41/11,510.67 = 3,291.69/x
  3. Step 3: Cross multiply
    7,675.41x = 11,510.67 × 3,291.69
  4. Step 4: Simplify right side
    7,675.41x = 37,889,557.33
  5. Step 5: Solve for x
    x = 37,889,557.33/7,675.41
  6. Step 6: Final answer
    x = 4,936.49

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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.