Home / 4,308.20-6,462.07-1,386.28

Finding the Fourth Proportional to 4,308.20, 6,462.07 and 1,386.28

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Solution

The fourth proportional to 4,308.20, 6,462.07 and 1,386.28 is: 2,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.20 : 6,462.07 = 1,386.28 : x
  2. Step 2: Convert to fraction form
    4,308.20/6,462.07 = 1,386.28/x
  3. Step 3: Cross multiply
    4,308.20x = 6,462.07 × 1,386.28
  4. Step 4: Simplify right side
    4,308.20x = 8,958,231.47
  5. Step 5: Solve for x
    x = 8,958,231.47/4,308.20
  6. Step 6: Final answer
    x = 2,079.34

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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.