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Finding the Fourth Proportional to 8,510.51, 12,765.74 and 3,583.59

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Solution

The fourth proportional to 8,510.51, 12,765.74 and 3,583.59 is: 5,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.51 : 12,765.74 = 3,583.59 : x
  2. Step 2: Convert to fraction form
    8,510.51/12,765.74 = 3,583.59/x
  3. Step 3: Cross multiply
    8,510.51x = 12,765.74 × 3,583.59
  4. Step 4: Simplify right side
    8,510.51x = 45,747,160.29
  5. Step 5: Solve for x
    x = 45,747,160.29/8,510.51
  6. Step 6: Final answer
    x = 5,375.38

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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.