Home / 4,977.18-7,467.03-1,689.75

Finding the Fourth Proportional to 4,977.18, 7,467.03 and 1,689.75

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Solution

The fourth proportional to 4,977.18, 7,467.03 and 1,689.75 is: 2,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.18 : 7,467.03 = 1,689.75 : x
  2. Step 2: Convert to fraction form
    4,977.18/7,467.03 = 1,689.75/x
  3. Step 3: Cross multiply
    4,977.18x = 7,467.03 × 1,689.75
  4. Step 4: Simplify right side
    4,977.18x = 12,617,413.94
  5. Step 5: Solve for x
    x = 12,617,413.94/4,977.18
  6. Step 6: Final answer
    x = 2,535.05

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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.