Home / 7,239.25-10,858.99-2,856.67

Finding the Fourth Proportional to 7,239.25, 10,858.99 and 2,856.67

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Solution

The fourth proportional to 7,239.25, 10,858.99 and 2,856.67 is: 4,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.25 : 10,858.99 = 2,856.67 : x
  2. Step 2: Convert to fraction form
    7,239.25/10,858.99 = 2,856.67/x
  3. Step 3: Cross multiply
    7,239.25x = 10,858.99 × 2,856.67
  4. Step 4: Simplify right side
    7,239.25x = 31,020,550.96
  5. Step 5: Solve for x
    x = 31,020,550.96/7,239.25
  6. Step 6: Final answer
    x = 4,285.05

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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.