Home / 6,246.30-8,619.90-3,413.70

Finding the Fourth Proportional to 6,246.30, 8,619.90 and 3,413.70

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Solution

The fourth proportional to 6,246.30, 8,619.90 and 3,413.70 is: 4,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.30 : 8,619.90 = 3,413.70 : x
  2. Step 2: Convert to fraction form
    6,246.30/8,619.90 = 3,413.70/x
  3. Step 3: Cross multiply
    6,246.30x = 8,619.90 × 3,413.70
  4. Step 4: Simplify right side
    6,246.30x = 29,425,752.63
  5. Step 5: Solve for x
    x = 29,425,752.63/6,246.30
  6. Step 6: Final answer
    x = 4,710.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.