Home / 4,989.37-7,483.21-1,479.31

Finding the Fourth Proportional to 4,989.37, 7,483.21 and 1,479.31

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Solution

The fourth proportional to 4,989.37, 7,483.21 and 1,479.31 is: 2,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.37 : 7,483.21 = 1,479.31 : x
  2. Step 2: Convert to fraction form
    4,989.37/7,483.21 = 1,479.31/x
  3. Step 3: Cross multiply
    4,989.37x = 7,483.21 × 1,479.31
  4. Step 4: Simplify right side
    4,989.37x = 11,069,987.39
  5. Step 5: Solve for x
    x = 11,069,987.39/4,989.37
  6. Step 6: Final answer
    x = 2,218.71

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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.