Home / 4,308.21-6,460.29-1,386.54

Finding the Fourth Proportional to 4,308.21, 6,460.29 and 1,386.54

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Solution

The fourth proportional to 4,308.21, 6,460.29 and 1,386.54 is: 2,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.21 : 6,460.29 = 1,386.54 : x
  2. Step 2: Convert to fraction form
    4,308.21/6,460.29 = 1,386.54/x
  3. Step 3: Cross multiply
    4,308.21x = 6,460.29 × 1,386.54
  4. Step 4: Simplify right side
    4,308.21x = 8,957,450.50
  5. Step 5: Solve for x
    x = 8,957,450.50/4,308.21
  6. Step 6: Final answer
    x = 2,079.16

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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.