Home / 4,258.86-6,386.54-1,627.34

Finding the Fourth Proportional to 4,258.86, 6,386.54 and 1,627.34

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Solution

The fourth proportional to 4,258.86, 6,386.54 and 1,627.34 is: 2,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.86 : 6,386.54 = 1,627.34 : x
  2. Step 2: Convert to fraction form
    4,258.86/6,386.54 = 1,627.34/x
  3. Step 3: Cross multiply
    4,258.86x = 6,386.54 × 1,627.34
  4. Step 4: Simplify right side
    4,258.86x = 10,393,031.93
  5. Step 5: Solve for x
    x = 10,393,031.93/4,258.86
  6. Step 6: Final answer
    x = 2,440.33

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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.