Home / 7,740.12-11,589.54-4,448.28

Finding the Fourth Proportional to 7,740.12, 11,589.54 and 4,448.28

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Solution

The fourth proportional to 7,740.12, 11,589.54 and 4,448.28 is: 6,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.12 : 11,589.54 = 4,448.28 : x
  2. Step 2: Convert to fraction form
    7,740.12/11,589.54 = 4,448.28/x
  3. Step 3: Cross multiply
    7,740.12x = 11,589.54 × 4,448.28
  4. Step 4: Simplify right side
    7,740.12x = 51,553,518.99
  5. Step 5: Solve for x
    x = 51,553,518.99/7,740.12
  6. Step 6: Final answer
    x = 6,660.56

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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.