Home / 4,098.36-6,135.45-2,778.67

Finding the Fourth Proportional to 4,098.36, 6,135.45 and 2,778.67

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Solution

The fourth proportional to 4,098.36, 6,135.45 and 2,778.67 is: 4,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.36 : 6,135.45 = 2,778.67 : x
  2. Step 2: Convert to fraction form
    4,098.36/6,135.45 = 2,778.67/x
  3. Step 3: Cross multiply
    4,098.36x = 6,135.45 × 2,778.67
  4. Step 4: Simplify right side
    4,098.36x = 17,048,388.10
  5. Step 5: Solve for x
    x = 17,048,388.10/4,098.36
  6. Step 6: Final answer
    x = 4,159.80

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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.