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Finding the Fourth Proportional to 6,752.80, 10,125.60 and 2,852.80

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Solution

The fourth proportional to 6,752.80, 10,125.60 and 2,852.80 is: 4,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.80 : 10,125.60 = 2,852.80 : x
  2. Step 2: Convert to fraction form
    6,752.80/10,125.60 = 2,852.80/x
  3. Step 3: Cross multiply
    6,752.80x = 10,125.60 × 2,852.80
  4. Step 4: Simplify right side
    6,752.80x = 28,886,311.68
  5. Step 5: Solve for x
    x = 28,886,311.68/6,752.80
  6. Step 6: Final answer
    x = 4,277.68

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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.