Home / 4,295.48-6,443.86-1,217.40

Finding the Fourth Proportional to 4,295.48, 6,443.86 and 1,217.40

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Solution

The fourth proportional to 4,295.48, 6,443.86 and 1,217.40 is: 1,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.48 : 6,443.86 = 1,217.40 : x
  2. Step 2: Convert to fraction form
    4,295.48/6,443.86 = 1,217.40/x
  3. Step 3: Cross multiply
    4,295.48x = 6,443.86 × 1,217.40
  4. Step 4: Simplify right side
    4,295.48x = 7,844,755.16
  5. Step 5: Solve for x
    x = 7,844,755.16/4,295.48
  6. Step 6: Final answer
    x = 1,826.28

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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.