Home / 4,427.20-6,641.91-1,505.53

Finding the Fourth Proportional to 4,427.20, 6,641.91 and 1,505.53

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Solution

The fourth proportional to 4,427.20, 6,641.91 and 1,505.53 is: 2,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.20 : 6,641.91 = 1,505.53 : x
  2. Step 2: Convert to fraction form
    4,427.20/6,641.91 = 1,505.53/x
  3. Step 3: Cross multiply
    4,427.20x = 6,641.91 × 1,505.53
  4. Step 4: Simplify right side
    4,427.20x = 9,999,578.16
  5. Step 5: Solve for x
    x = 9,999,578.16/4,427.20
  6. Step 6: Final answer
    x = 2,258.67

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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.