Home / 4,230.56-6,345.74-1,765.33

Finding the Fourth Proportional to 4,230.56, 6,345.74 and 1,765.33

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Solution

The fourth proportional to 4,230.56, 6,345.74 and 1,765.33 is: 2,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.56 : 6,345.74 = 1,765.33 : x
  2. Step 2: Convert to fraction form
    4,230.56/6,345.74 = 1,765.33/x
  3. Step 3: Cross multiply
    4,230.56x = 6,345.74 × 1,765.33
  4. Step 4: Simplify right side
    4,230.56x = 11,202,313.74
  5. Step 5: Solve for x
    x = 11,202,313.74/4,230.56
  6. Step 6: Final answer
    x = 2,647.95

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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.