Home / 4,622.16-6,378.60-2,632.80

Finding the Fourth Proportional to 4,622.16, 6,378.60 and 2,632.80

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Solution

The fourth proportional to 4,622.16, 6,378.60 and 2,632.80 is: 3,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.16 : 6,378.60 = 2,632.80 : x
  2. Step 2: Convert to fraction form
    4,622.16/6,378.60 = 2,632.80/x
  3. Step 3: Cross multiply
    4,622.16x = 6,378.60 × 2,632.80
  4. Step 4: Simplify right side
    4,622.16x = 16,793,597.06
  5. Step 5: Solve for x
    x = 16,793,597.06/4,622.16
  6. Step 6: Final answer
    x = 3,633.28

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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.