Home / 4,242.80-6,351.40-3,730.80

Finding the Fourth Proportional to 4,242.80, 6,351.40 and 3,730.80

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Solution

The fourth proportional to 4,242.80, 6,351.40 and 3,730.80 is: 5,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.80 : 6,351.40 = 3,730.80 : x
  2. Step 2: Convert to fraction form
    4,242.80/6,351.40 = 3,730.80/x
  3. Step 3: Cross multiply
    4,242.80x = 6,351.40 × 3,730.80
  4. Step 4: Simplify right side
    4,242.80x = 23,695,803.12
  5. Step 5: Solve for x
    x = 23,695,803.12/4,242.80
  6. Step 6: Final answer
    x = 5,584.94

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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.