Home / 5,913.90-8,869.70-1,964.54

Finding the Fourth Proportional to 5,913.90, 8,869.70 and 1,964.54

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Solution

The fourth proportional to 5,913.90, 8,869.70 and 1,964.54 is: 2,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.90 : 8,869.70 = 1,964.54 : x
  2. Step 2: Convert to fraction form
    5,913.90/8,869.70 = 1,964.54/x
  3. Step 3: Cross multiply
    5,913.90x = 8,869.70 × 1,964.54
  4. Step 4: Simplify right side
    5,913.90x = 17,424,880.44
  5. Step 5: Solve for x
    x = 17,424,880.44/5,913.90
  6. Step 6: Final answer
    x = 2,946.43

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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.