Home / 4,219.23-6,328.85-1,297.55

Finding the Fourth Proportional to 4,219.23, 6,328.85 and 1,297.55

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Solution

The fourth proportional to 4,219.23, 6,328.85 and 1,297.55 is: 1,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.23 : 6,328.85 = 1,297.55 : x
  2. Step 2: Convert to fraction form
    4,219.23/6,328.85 = 1,297.55/x
  3. Step 3: Cross multiply
    4,219.23x = 6,328.85 × 1,297.55
  4. Step 4: Simplify right side
    4,219.23x = 8,211,961.19
  5. Step 5: Solve for x
    x = 8,211,961.19/4,219.23
  6. Step 6: Final answer
    x = 1,946.32

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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.