Home / 4,228.90-6,339.91-1,765.56

Finding the Fourth Proportional to 4,228.90, 6,339.91 and 1,765.56

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Solution

The fourth proportional to 4,228.90, 6,339.91 and 1,765.56 is: 2,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.90 : 6,339.91 = 1,765.56 : x
  2. Step 2: Convert to fraction form
    4,228.90/6,339.91 = 1,765.56/x
  3. Step 3: Cross multiply
    4,228.90x = 6,339.91 × 1,765.56
  4. Step 4: Simplify right side
    4,228.90x = 11,193,491.50
  5. Step 5: Solve for x
    x = 11,193,491.50/4,228.90
  6. Step 6: Final answer
    x = 2,646.90

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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.