Home / 4,139.19-6,210.05-1,217.52

Finding the Fourth Proportional to 4,139.19, 6,210.05 and 1,217.52

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Solution

The fourth proportional to 4,139.19, 6,210.05 and 1,217.52 is: 1,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.19 : 6,210.05 = 1,217.52 : x
  2. Step 2: Convert to fraction form
    4,139.19/6,210.05 = 1,217.52/x
  3. Step 3: Cross multiply
    4,139.19x = 6,210.05 × 1,217.52
  4. Step 4: Simplify right side
    4,139.19x = 7,560,853.99
  5. Step 5: Solve for x
    x = 7,560,853.99/4,139.19
  6. Step 6: Final answer
    x = 1,826.65

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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.