Home / 4,258.17-6,386.07-1,791.55

Finding the Fourth Proportional to 4,258.17, 6,386.07 and 1,791.55

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Solution

The fourth proportional to 4,258.17, 6,386.07 and 1,791.55 is: 2,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.17 : 6,386.07 = 1,791.55 : x
  2. Step 2: Convert to fraction form
    4,258.17/6,386.07 = 1,791.55/x
  3. Step 3: Cross multiply
    4,258.17x = 6,386.07 × 1,791.55
  4. Step 4: Simplify right side
    4,258.17x = 11,440,978.41
  5. Step 5: Solve for x
    x = 11,440,978.41/4,258.17
  6. Step 6: Final answer
    x = 2,686.83

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1.5x scale

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.