Home / 6,018.81-8,305.04-3,431.76

Finding the Fourth Proportional to 6,018.81, 8,305.04 and 3,431.76

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Solution

The fourth proportional to 6,018.81, 8,305.04 and 3,431.76 is: 4,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.81 : 8,305.04 = 3,431.76 : x
  2. Step 2: Convert to fraction form
    6,018.81/8,305.04 = 3,431.76/x
  3. Step 3: Cross multiply
    6,018.81x = 8,305.04 × 3,431.76
  4. Step 4: Simplify right side
    6,018.81x = 28,500,886.91
  5. Step 5: Solve for x
    x = 28,500,886.91/6,018.81
  6. Step 6: Final answer
    x = 4,735.30

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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.