Home / 7,045.40-10,566.81-2,661.41

Finding the Fourth Proportional to 7,045.40, 10,566.81 and 2,661.41

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Solution

The fourth proportional to 7,045.40, 10,566.81 and 2,661.41 is: 3,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.40 : 10,566.81 = 2,661.41 : x
  2. Step 2: Convert to fraction form
    7,045.40/10,566.81 = 2,661.41/x
  3. Step 3: Cross multiply
    7,045.40x = 10,566.81 × 2,661.41
  4. Step 4: Simplify right side
    7,045.40x = 28,122,560.97
  5. Step 5: Solve for x
    x = 28,122,560.97/7,045.40
  6. Step 6: Final answer
    x = 3,991.62

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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.