Home / 4,139.10-6,210.77-2,289.87

Finding the Fourth Proportional to 4,139.10, 6,210.77 and 2,289.87

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Solution

The fourth proportional to 4,139.10, 6,210.77 and 2,289.87 is: 3,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.10 : 6,210.77 = 2,289.87 : x
  2. Step 2: Convert to fraction form
    4,139.10/6,210.77 = 2,289.87/x
  3. Step 3: Cross multiply
    4,139.10x = 6,210.77 × 2,289.87
  4. Step 4: Simplify right side
    4,139.10x = 14,221,855.90
  5. Step 5: Solve for x
    x = 14,221,855.90/4,139.10
  6. Step 6: Final answer
    x = 3,435.98

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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.