Home / 5,438.26-8,152.53-2,840.59

Finding the Fourth Proportional to 5,438.26, 8,152.53 and 2,840.59

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Solution

The fourth proportional to 5,438.26, 8,152.53 and 2,840.59 is: 4,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.26 : 8,152.53 = 2,840.59 : x
  2. Step 2: Convert to fraction form
    5,438.26/8,152.53 = 2,840.59/x
  3. Step 3: Cross multiply
    5,438.26x = 8,152.53 × 2,840.59
  4. Step 4: Simplify right side
    5,438.26x = 23,157,995.19
  5. Step 5: Solve for x
    x = 23,157,995.19/5,438.26
  6. Step 6: Final answer
    x = 4,258.35

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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.