Home / 4,611.20-6,916.80-1,148.44

Finding the Fourth Proportional to 4,611.20, 6,916.80 and 1,148.44

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Solution

The fourth proportional to 4,611.20, 6,916.80 and 1,148.44 is: 1,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.20 : 6,916.80 = 1,148.44 : x
  2. Step 2: Convert to fraction form
    4,611.20/6,916.80 = 1,148.44/x
  3. Step 3: Cross multiply
    4,611.20x = 6,916.80 × 1,148.44
  4. Step 4: Simplify right side
    4,611.20x = 7,943,529.79
  5. Step 5: Solve for x
    x = 7,943,529.79/4,611.20
  6. Step 6: Final answer
    x = 1,722.66

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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.