Home / 6,259.05-8,638.11-3,740.81

Finding the Fourth Proportional to 6,259.05, 8,638.11 and 3,740.81

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Solution

The fourth proportional to 6,259.05, 8,638.11 and 3,740.81 is: 5,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.05 : 8,638.11 = 3,740.81 : x
  2. Step 2: Convert to fraction form
    6,259.05/8,638.11 = 3,740.81/x
  3. Step 3: Cross multiply
    6,259.05x = 8,638.11 × 3,740.81
  4. Step 4: Simplify right side
    6,259.05x = 32,313,485.08
  5. Step 5: Solve for x
    x = 32,313,485.08/6,259.05
  6. Step 6: Final answer
    x = 5,162.68

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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.