Home / 8,835.22-13,254.45-2,912.45

Finding the Fourth Proportional to 8,835.22, 13,254.45 and 2,912.45

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Solution

The fourth proportional to 8,835.22, 13,254.45 and 2,912.45 is: 4,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.22 : 13,254.45 = 2,912.45 : x
  2. Step 2: Convert to fraction form
    8,835.22/13,254.45 = 2,912.45/x
  3. Step 3: Cross multiply
    8,835.22x = 13,254.45 × 2,912.45
  4. Step 4: Simplify right side
    8,835.22x = 38,602,956.04
  5. Step 5: Solve for x
    x = 38,602,956.04/8,835.22
  6. Step 6: Final answer
    x = 4,369.21

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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.