Home / 4,258.55-6,388.47-1,336.57

Finding the Fourth Proportional to 4,258.55, 6,388.47 and 1,336.57

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Solution

The fourth proportional to 4,258.55, 6,388.47 and 1,336.57 is: 2,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.55 : 6,388.47 = 1,336.57 : x
  2. Step 2: Convert to fraction form
    4,258.55/6,388.47 = 1,336.57/x
  3. Step 3: Cross multiply
    4,258.55x = 6,388.47 × 1,336.57
  4. Step 4: Simplify right side
    4,258.55x = 8,538,598.72
  5. Step 5: Solve for x
    x = 8,538,598.72/4,258.55
  6. Step 6: Final answer
    x = 2,005.05

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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.