Home / 7,744.40-11,620.20-4,050.80

Finding the Fourth Proportional to 7,744.40, 11,620.20 and 4,050.80

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Solution

The fourth proportional to 7,744.40, 11,620.20 and 4,050.80 is: 6,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.40 : 11,620.20 = 4,050.80 : x
  2. Step 2: Convert to fraction form
    7,744.40/11,620.20 = 4,050.80/x
  3. Step 3: Cross multiply
    7,744.40x = 11,620.20 × 4,050.80
  4. Step 4: Simplify right side
    7,744.40x = 47,071,106.16
  5. Step 5: Solve for x
    x = 47,071,106.16/7,744.40
  6. Step 6: Final answer
    x = 6,078.08

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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.