Home / 6,107.81-8,429.27-3,455.87

Finding the Fourth Proportional to 6,107.81, 8,429.27 and 3,455.87

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Solution

The fourth proportional to 6,107.81, 8,429.27 and 3,455.87 is: 4,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.81 : 8,429.27 = 3,455.87 : x
  2. Step 2: Convert to fraction form
    6,107.81/8,429.27 = 3,455.87/x
  3. Step 3: Cross multiply
    6,107.81x = 8,429.27 × 3,455.87
  4. Step 4: Simplify right side
    6,107.81x = 29,130,401.89
  5. Step 5: Solve for x
    x = 29,130,401.89/6,107.81
  6. Step 6: Final answer
    x = 4,769.37

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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.