Home / 8,681.53-13,023.92-2,838.46

Finding the Fourth Proportional to 8,681.53, 13,023.92 and 2,838.46

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Solution

The fourth proportional to 8,681.53, 13,023.92 and 2,838.46 is: 4,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.53 : 13,023.92 = 2,838.46 : x
  2. Step 2: Convert to fraction form
    8,681.53/13,023.92 = 2,838.46/x
  3. Step 3: Cross multiply
    8,681.53x = 13,023.92 × 2,838.46
  4. Step 4: Simplify right side
    8,681.53x = 36,967,861.77
  5. Step 5: Solve for x
    x = 36,967,861.77/8,681.53
  6. Step 6: Final answer
    x = 4,258.22

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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.