Home / 4,979.90-7,466.35-2,205.07

Finding the Fourth Proportional to 4,979.90, 7,466.35 and 2,205.07

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Solution

The fourth proportional to 4,979.90, 7,466.35 and 2,205.07 is: 3,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.90 : 7,466.35 = 2,205.07 : x
  2. Step 2: Convert to fraction form
    4,979.90/7,466.35 = 2,205.07/x
  3. Step 3: Cross multiply
    4,979.90x = 7,466.35 × 2,205.07
  4. Step 4: Simplify right side
    4,979.90x = 16,463,800.22
  5. Step 5: Solve for x
    x = 16,463,800.22/4,979.90
  6. Step 6: Final answer
    x = 3,306.05

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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.