Home / 4,139.61-6,210.06-1,217.52

Finding the Fourth Proportional to 4,139.61, 6,210.06 and 1,217.52

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Solution

The fourth proportional to 4,139.61, 6,210.06 and 1,217.52 is: 1,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.61 : 6,210.06 = 1,217.52 : x
  2. Step 2: Convert to fraction form
    4,139.61/6,210.06 = 1,217.52/x
  3. Step 3: Cross multiply
    4,139.61x = 6,210.06 × 1,217.52
  4. Step 4: Simplify right side
    4,139.61x = 7,560,872.25
  5. Step 5: Solve for x
    x = 7,560,872.25/4,139.61
  6. Step 6: Final answer
    x = 1,826.47

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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.