Home / 7,090.58-10,628.93-2,644.99

Finding the Fourth Proportional to 7,090.58, 10,628.93 and 2,644.99

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Solution

The fourth proportional to 7,090.58, 10,628.93 and 2,644.99 is: 3,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.58 : 10,628.93 = 2,644.99 : x
  2. Step 2: Convert to fraction form
    7,090.58/10,628.93 = 2,644.99/x
  3. Step 3: Cross multiply
    7,090.58x = 10,628.93 × 2,644.99
  4. Step 4: Simplify right side
    7,090.58x = 28,113,413.56
  5. Step 5: Solve for x
    x = 28,113,413.56/7,090.58
  6. Step 6: Final answer
    x = 3,964.90

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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.