Home / 5,270.25-7,906.59-1,807.50

Finding the Fourth Proportional to 5,270.25, 7,906.59 and 1,807.50

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Solution

The fourth proportional to 5,270.25, 7,906.59 and 1,807.50 is: 2,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.25 : 7,906.59 = 1,807.50 : x
  2. Step 2: Convert to fraction form
    5,270.25/7,906.59 = 1,807.50/x
  3. Step 3: Cross multiply
    5,270.25x = 7,906.59 × 1,807.50
  4. Step 4: Simplify right side
    5,270.25x = 14,291,161.43
  5. Step 5: Solve for x
    x = 14,291,161.43/5,270.25
  6. Step 6: Final answer
    x = 2,711.67

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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.