Home / 4,439.69-6,648.15-4,308.30

Finding the Fourth Proportional to 4,439.69, 6,648.15 and 4,308.30

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Solution

The fourth proportional to 4,439.69, 6,648.15 and 4,308.30 is: 6,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.69 : 6,648.15 = 4,308.30 : x
  2. Step 2: Convert to fraction form
    4,439.69/6,648.15 = 4,308.30/x
  3. Step 3: Cross multiply
    4,439.69x = 6,648.15 × 4,308.30
  4. Step 4: Simplify right side
    4,439.69x = 28,642,224.65
  5. Step 5: Solve for x
    x = 28,642,224.65/4,439.69
  6. Step 6: Final answer
    x = 6,451.40

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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.