Home / 4,762.20-7,144.92-4,302.12

Finding the Fourth Proportional to 4,762.20, 7,144.92 and 4,302.12

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Solution

The fourth proportional to 4,762.20, 7,144.92 and 4,302.12 is: 6,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.20 : 7,144.92 = 4,302.12 : x
  2. Step 2: Convert to fraction form
    4,762.20/7,144.92 = 4,302.12/x
  3. Step 3: Cross multiply
    4,762.20x = 7,144.92 × 4,302.12
  4. Step 4: Simplify right side
    4,762.20x = 30,738,303.23
  5. Step 5: Solve for x
    x = 30,738,303.23/4,762.20
  6. Step 6: Final answer
    x = 6,454.64

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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.