Home / 4,630.21-6,945.63-1,708.72

Finding the Fourth Proportional to 4,630.21, 6,945.63 and 1,708.72

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Solution

The fourth proportional to 4,630.21, 6,945.63 and 1,708.72 is: 2,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.21 : 6,945.63 = 1,708.72 : x
  2. Step 2: Convert to fraction form
    4,630.21/6,945.63 = 1,708.72/x
  3. Step 3: Cross multiply
    4,630.21x = 6,945.63 × 1,708.72
  4. Step 4: Simplify right side
    4,630.21x = 11,868,136.89
  5. Step 5: Solve for x
    x = 11,868,136.89/4,630.21
  6. Step 6: Final answer
    x = 2,563.20

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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.