Home / 6,900.03-9,521.76-3,756.21

Finding the Fourth Proportional to 6,900.03, 9,521.76 and 3,756.21

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Solution

The fourth proportional to 6,900.03, 9,521.76 and 3,756.21 is: 5,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.03 : 9,521.76 = 3,756.21 : x
  2. Step 2: Convert to fraction form
    6,900.03/9,521.76 = 3,756.21/x
  3. Step 3: Cross multiply
    6,900.03x = 9,521.76 × 3,756.21
  4. Step 4: Simplify right side
    6,900.03x = 35,765,730.13
  5. Step 5: Solve for x
    x = 35,765,730.13/6,900.03
  6. Step 6: Final answer
    x = 5,183.42

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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.