Home / 8,930.78-13,396.30-2,357.62

Finding the Fourth Proportional to 8,930.78, 13,396.30 and 2,357.62

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Solution

The fourth proportional to 8,930.78, 13,396.30 and 2,357.62 is: 3,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.78 : 13,396.30 = 2,357.62 : x
  2. Step 2: Convert to fraction form
    8,930.78/13,396.30 = 2,357.62/x
  3. Step 3: Cross multiply
    8,930.78x = 13,396.30 × 2,357.62
  4. Step 4: Simplify right side
    8,930.78x = 31,583,384.81
  5. Step 5: Solve for x
    x = 31,583,384.81/8,930.78
  6. Step 6: Final answer
    x = 3,536.46

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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.