Home / 8,925.53-13,389.50-3,380.81

Finding the Fourth Proportional to 8,925.53, 13,389.50 and 3,380.81

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Solution

The fourth proportional to 8,925.53, 13,389.50 and 3,380.81 is: 5,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.53 : 13,389.50 = 3,380.81 : x
  2. Step 2: Convert to fraction form
    8,925.53/13,389.50 = 3,380.81/x
  3. Step 3: Cross multiply
    8,925.53x = 13,389.50 × 3,380.81
  4. Step 4: Simplify right side
    8,925.53x = 45,267,297.00
  5. Step 5: Solve for x
    x = 45,267,297.00/8,925.53
  6. Step 6: Final answer
    x = 5,071.67

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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.