Home / 4,219.49-6,328.98-1,297.77

Finding the Fourth Proportional to 4,219.49, 6,328.98 and 1,297.77

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Solution

The fourth proportional to 4,219.49, 6,328.98 and 1,297.77 is: 1,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.49 : 6,328.98 = 1,297.77 : x
  2. Step 2: Convert to fraction form
    4,219.49/6,328.98 = 1,297.77/x
  3. Step 3: Cross multiply
    4,219.49x = 6,328.98 × 1,297.77
  4. Step 4: Simplify right side
    4,219.49x = 8,213,560.37
  5. Step 5: Solve for x
    x = 8,213,560.37/4,219.49
  6. Step 6: Final answer
    x = 1,946.58

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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.