Home / 4,189.74-6,281.91-1,267.26

Finding the Fourth Proportional to 4,189.74, 6,281.91 and 1,267.26

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Solution

The fourth proportional to 4,189.74, 6,281.91 and 1,267.26 is: 1,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.74 : 6,281.91 = 1,267.26 : x
  2. Step 2: Convert to fraction form
    4,189.74/6,281.91 = 1,267.26/x
  3. Step 3: Cross multiply
    4,189.74x = 6,281.91 × 1,267.26
  4. Step 4: Simplify right side
    4,189.74x = 7,960,813.27
  5. Step 5: Solve for x
    x = 7,960,813.27/4,189.74
  6. Step 6: Final answer
    x = 1,900.07

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1.5x scale

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.