Home / 7,321.04-10,981.58-1,774.36

Finding the Fourth Proportional to 7,321.04, 10,981.58 and 1,774.36

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Solution

The fourth proportional to 7,321.04, 10,981.58 and 1,774.36 is: 2,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.04 : 10,981.58 = 1,774.36 : x
  2. Step 2: Convert to fraction form
    7,321.04/10,981.58 = 1,774.36/x
  3. Step 3: Cross multiply
    7,321.04x = 10,981.58 × 1,774.36
  4. Step 4: Simplify right side
    7,321.04x = 19,485,239.96
  5. Step 5: Solve for x
    x = 19,485,239.96/7,321.04
  6. Step 6: Final answer
    x = 2,661.54

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Similar ratio
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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.