Home / 4,308.06-6,462.09-1,386.36

Finding the Fourth Proportional to 4,308.06, 6,462.09 and 1,386.36

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Solution

The fourth proportional to 4,308.06, 6,462.09 and 1,386.36 is: 2,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.06 : 6,462.09 = 1,386.36 : x
  2. Step 2: Convert to fraction form
    4,308.06/6,462.09 = 1,386.36/x
  3. Step 3: Cross multiply
    4,308.06x = 6,462.09 × 1,386.36
  4. Step 4: Simplify right side
    4,308.06x = 8,958,804.50
  5. Step 5: Solve for x
    x = 8,958,804.50/4,308.06
  6. Step 6: Final answer
    x = 2,079.55

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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.