Home / 4,903.70-7,355.55-2,830.10

Finding the Fourth Proportional to 4,903.70, 7,355.55 and 2,830.10

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Solution

The fourth proportional to 4,903.70, 7,355.55 and 2,830.10 is: 4,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.70 : 7,355.55 = 2,830.10 : x
  2. Step 2: Convert to fraction form
    4,903.70/7,355.55 = 2,830.10/x
  3. Step 3: Cross multiply
    4,903.70x = 7,355.55 × 2,830.10
  4. Step 4: Simplify right side
    4,903.70x = 20,816,942.06
  5. Step 5: Solve for x
    x = 20,816,942.06/4,903.70
  6. Step 6: Final answer
    x = 4,245.15

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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.