Home / 6,401.36-8,833.56-3,607.04

Finding the Fourth Proportional to 6,401.36, 8,833.56 and 3,607.04

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Solution

The fourth proportional to 6,401.36, 8,833.56 and 3,607.04 is: 4,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.36 : 8,833.56 = 3,607.04 : x
  2. Step 2: Convert to fraction form
    6,401.36/8,833.56 = 3,607.04/x
  3. Step 3: Cross multiply
    6,401.36x = 8,833.56 × 3,607.04
  4. Step 4: Simplify right side
    6,401.36x = 31,863,004.26
  5. Step 5: Solve for x
    x = 31,863,004.26/6,401.36
  6. Step 6: Final answer
    x = 4,977.54

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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.