Home / 4,830.42-7,245.39-2,830.22

Finding the Fourth Proportional to 4,830.42, 7,245.39 and 2,830.22

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Solution

The fourth proportional to 4,830.42, 7,245.39 and 2,830.22 is: 4,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.42 : 7,245.39 = 2,830.22 : x
  2. Step 2: Convert to fraction form
    4,830.42/7,245.39 = 2,830.22/x
  3. Step 3: Cross multiply
    4,830.42x = 7,245.39 × 2,830.22
  4. Step 4: Simplify right side
    4,830.42x = 20,506,090.00
  5. Step 5: Solve for x
    x = 20,506,090.00/4,830.42
  6. Step 6: Final answer
    x = 4,245.20

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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.