Home / 4,611.28-6,918.14-1,324.60

Finding the Fourth Proportional to 4,611.28, 6,918.14 and 1,324.60

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Solution

The fourth proportional to 4,611.28, 6,918.14 and 1,324.60 is: 1,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.28 : 6,918.14 = 1,324.60 : x
  2. Step 2: Convert to fraction form
    4,611.28/6,918.14 = 1,324.60/x
  3. Step 3: Cross multiply
    4,611.28x = 6,918.14 × 1,324.60
  4. Step 4: Simplify right side
    4,611.28x = 9,163,768.24
  5. Step 5: Solve for x
    x = 9,163,768.24/4,611.28
  6. Step 6: Final answer
    x = 1,987.25

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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.