Home / 4,276.74-6,413.45-1,314.30

Finding the Fourth Proportional to 4,276.74, 6,413.45 and 1,314.30

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Solution

The fourth proportional to 4,276.74, 6,413.45 and 1,314.30 is: 1,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.74 : 6,413.45 = 1,314.30 : x
  2. Step 2: Convert to fraction form
    4,276.74/6,413.45 = 1,314.30/x
  3. Step 3: Cross multiply
    4,276.74x = 6,413.45 × 1,314.30
  4. Step 4: Simplify right side
    4,276.74x = 8,429,190.76
  5. Step 5: Solve for x
    x = 8,429,190.76/4,276.74
  6. Step 6: Final answer
    x = 1,970.94

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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.