Home / 4,139.73-6,210.59-1,217.94

Finding the Fourth Proportional to 4,139.73, 6,210.59 and 1,217.94

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Solution

The fourth proportional to 4,139.73, 6,210.59 and 1,217.94 is: 1,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.73 : 6,210.59 = 1,217.94 : x
  2. Step 2: Convert to fraction form
    4,139.73/6,210.59 = 1,217.94/x
  3. Step 3: Cross multiply
    4,139.73x = 6,210.59 × 1,217.94
  4. Step 4: Simplify right side
    4,139.73x = 7,564,119.89
  5. Step 5: Solve for x
    x = 7,564,119.89/4,139.73
  6. Step 6: Final answer
    x = 1,827.20

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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.