Home / 4,140.63-6,210.96-1,020.71

Finding the Fourth Proportional to 4,140.63, 6,210.96 and 1,020.71

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Solution

The fourth proportional to 4,140.63, 6,210.96 and 1,020.71 is: 1,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.63 : 6,210.96 = 1,020.71 : x
  2. Step 2: Convert to fraction form
    4,140.63/6,210.96 = 1,020.71/x
  3. Step 3: Cross multiply
    4,140.63x = 6,210.96 × 1,020.71
  4. Step 4: Simplify right side
    4,140.63x = 6,339,583.88
  5. Step 5: Solve for x
    x = 6,339,583.88/4,140.63
  6. Step 6: Final answer
    x = 1,531.07

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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.