Home / 6,289.50-9,435.86-2,391.78

Finding the Fourth Proportional to 6,289.50, 9,435.86 and 2,391.78

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Solution

The fourth proportional to 6,289.50, 9,435.86 and 2,391.78 is: 3,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.50 : 9,435.86 = 2,391.78 : x
  2. Step 2: Convert to fraction form
    6,289.50/9,435.86 = 2,391.78/x
  3. Step 3: Cross multiply
    6,289.50x = 9,435.86 × 2,391.78
  4. Step 4: Simplify right side
    6,289.50x = 22,568,501.23
  5. Step 5: Solve for x
    x = 22,568,501.23/6,289.50
  6. Step 6: Final answer
    x = 3,588.28

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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.