Home / 4,138.93-6,209.34-1,217.46

Finding the Fourth Proportional to 4,138.93, 6,209.34 and 1,217.46

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Solution

The fourth proportional to 4,138.93, 6,209.34 and 1,217.46 is: 1,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.93 : 6,209.34 = 1,217.46 : x
  2. Step 2: Convert to fraction form
    4,138.93/6,209.34 = 1,217.46/x
  3. Step 3: Cross multiply
    4,138.93x = 6,209.34 × 1,217.46
  4. Step 4: Simplify right side
    4,138.93x = 7,559,623.08
  5. Step 5: Solve for x
    x = 7,559,623.08/4,138.93
  6. Step 6: Final answer
    x = 1,826.47

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Double scale
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1.5x scale

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.