Home / 4,295.19-6,442.78-1,217.19

Finding the Fourth Proportional to 4,295.19, 6,442.78 and 1,217.19

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Solution

The fourth proportional to 4,295.19, 6,442.78 and 1,217.19 is: 1,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.19 : 6,442.78 = 1,217.19 : x
  2. Step 2: Convert to fraction form
    4,295.19/6,442.78 = 1,217.19/x
  3. Step 3: Cross multiply
    4,295.19x = 6,442.78 × 1,217.19
  4. Step 4: Simplify right side
    4,295.19x = 7,842,087.39
  5. Step 5: Solve for x
    x = 7,842,087.39/4,295.19
  6. Step 6: Final answer
    x = 1,825.78

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Double scale
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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.