Home / 4,611.30-6,918.12-1,324.62

Finding the Fourth Proportional to 4,611.30, 6,918.12 and 1,324.62

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Solution

The fourth proportional to 4,611.30, 6,918.12 and 1,324.62 is: 1,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.30 : 6,918.12 = 1,324.62 : x
  2. Step 2: Convert to fraction form
    4,611.30/6,918.12 = 1,324.62/x
  3. Step 3: Cross multiply
    4,611.30x = 6,918.12 × 1,324.62
  4. Step 4: Simplify right side
    4,611.30x = 9,163,880.11
  5. Step 5: Solve for x
    x = 9,163,880.11/4,611.30
  6. Step 6: Final answer
    x = 1,987.27

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1.5x scale

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.