Home / 5,260.25-7,895.34-3,869.35

Finding the Fourth Proportional to 5,260.25, 7,895.34 and 3,869.35

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Solution

The fourth proportional to 5,260.25, 7,895.34 and 3,869.35 is: 5,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.25 : 7,895.34 = 3,869.35 : x
  2. Step 2: Convert to fraction form
    5,260.25/7,895.34 = 3,869.35/x
  3. Step 3: Cross multiply
    5,260.25x = 7,895.34 × 3,869.35
  4. Step 4: Simplify right side
    5,260.25x = 30,549,814.09
  5. Step 5: Solve for x
    x = 30,549,814.09/5,260.25
  6. Step 6: Final answer
    x = 5,807.67

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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.