Home / 4,439.49-6,647.88-4,308.12

Finding the Fourth Proportional to 4,439.49, 6,647.88 and 4,308.12

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Solution

The fourth proportional to 4,439.49, 6,647.88 and 4,308.12 is: 6,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.49 : 6,647.88 = 4,308.12 : x
  2. Step 2: Convert to fraction form
    4,439.49/6,647.88 = 4,308.12/x
  3. Step 3: Cross multiply
    4,439.49x = 6,647.88 × 4,308.12
  4. Step 4: Simplify right side
    4,439.49x = 28,639,864.79
  5. Step 5: Solve for x
    x = 28,639,864.79/4,439.49
  6. Step 6: Final answer
    x = 6,451.16

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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.