Home / 7,102.23-9,800.88-4,077.26

Finding the Fourth Proportional to 7,102.23, 9,800.88 and 4,077.26

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Solution

The fourth proportional to 7,102.23, 9,800.88 and 4,077.26 is: 5,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.23 : 9,800.88 = 4,077.26 : x
  2. Step 2: Convert to fraction form
    7,102.23/9,800.88 = 4,077.26/x
  3. Step 3: Cross multiply
    7,102.23x = 9,800.88 × 4,077.26
  4. Step 4: Simplify right side
    7,102.23x = 39,960,735.99
  5. Step 5: Solve for x
    x = 39,960,735.99/7,102.23
  6. Step 6: Final answer
    x = 5,626.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.