Home / 4,155.21-6,230.99-1,556.33

Finding the Fourth Proportional to 4,155.21, 6,230.99 and 1,556.33

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Solution

The fourth proportional to 4,155.21, 6,230.99 and 1,556.33 is: 2,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.21 : 6,230.99 = 1,556.33 : x
  2. Step 2: Convert to fraction form
    4,155.21/6,230.99 = 1,556.33/x
  3. Step 3: Cross multiply
    4,155.21x = 6,230.99 × 1,556.33
  4. Step 4: Simplify right side
    4,155.21x = 9,697,437.73
  5. Step 5: Solve for x
    x = 9,697,437.73/4,155.21
  6. Step 6: Final answer
    x = 2,333.80

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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.