Home / 6,223.20-8,583.27-4,230.40

Finding the Fourth Proportional to 6,223.20, 8,583.27 and 4,230.40

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Solution

The fourth proportional to 6,223.20, 8,583.27 and 4,230.40 is: 5,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.20 : 8,583.27 = 4,230.40 : x
  2. Step 2: Convert to fraction form
    6,223.20/8,583.27 = 4,230.40/x
  3. Step 3: Cross multiply
    6,223.20x = 8,583.27 × 4,230.40
  4. Step 4: Simplify right side
    6,223.20x = 36,310,622.49
  5. Step 5: Solve for x
    x = 36,310,622.49/6,223.20
  6. Step 6: Final answer
    x = 5,834.72

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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.