Home / 5,094.03-7,640.79-1,396.20

Finding the Fourth Proportional to 5,094.03, 7,640.79 and 1,396.20

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Solution

The fourth proportional to 5,094.03, 7,640.79 and 1,396.20 is: 2,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.03 : 7,640.79 = 1,396.20 : x
  2. Step 2: Convert to fraction form
    5,094.03/7,640.79 = 1,396.20/x
  3. Step 3: Cross multiply
    5,094.03x = 7,640.79 × 1,396.20
  4. Step 4: Simplify right side
    5,094.03x = 10,668,071.00
  5. Step 5: Solve for x
    x = 10,668,071.00/5,094.03
  6. Step 6: Final answer
    x = 2,094.23

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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.