Home / 5,556.70-8,330.91-1,856.74

Finding the Fourth Proportional to 5,556.70, 8,330.91 and 1,856.74

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Solution

The fourth proportional to 5,556.70, 8,330.91 and 1,856.74 is: 2,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.70 : 8,330.91 = 1,856.74 : x
  2. Step 2: Convert to fraction form
    5,556.70/8,330.91 = 1,856.74/x
  3. Step 3: Cross multiply
    5,556.70x = 8,330.91 × 1,856.74
  4. Step 4: Simplify right side
    5,556.70x = 15,468,333.83
  5. Step 5: Solve for x
    x = 15,468,333.83/5,556.70
  6. Step 6: Final answer
    x = 2,783.73

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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.