Home / 4,631.56-6,389.20-3,512.68

Finding the Fourth Proportional to 4,631.56, 6,389.20 and 3,512.68

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Solution

The fourth proportional to 4,631.56, 6,389.20 and 3,512.68 is: 4,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.56 : 6,389.20 = 3,512.68 : x
  2. Step 2: Convert to fraction form
    4,631.56/6,389.20 = 3,512.68/x
  3. Step 3: Cross multiply
    4,631.56x = 6,389.20 × 3,512.68
  4. Step 4: Simplify right side
    4,631.56x = 22,443,215.06
  5. Step 5: Solve for x
    x = 22,443,215.06/4,631.56
  6. Step 6: Final answer
    x = 4,845.71

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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.