Home / 4,830.40-7,242.90-2,230.12

Finding the Fourth Proportional to 4,830.40, 7,242.90 and 2,230.12

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Solution

The fourth proportional to 4,830.40, 7,242.90 and 2,230.12 is: 3,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 7,242.90 = 2,230.12 : x
  2. Step 2: Convert to fraction form
    4,830.40/7,242.90 = 2,230.12/x
  3. Step 3: Cross multiply
    4,830.40x = 7,242.90 × 2,230.12
  4. Step 4: Simplify right side
    4,830.40x = 16,152,536.15
  5. Step 5: Solve for x
    x = 16,152,536.15/4,830.40
  6. Step 6: Final answer
    x = 3,343.93

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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.