Home / 5,628.60-8,444.88-2,119.68

Finding the Fourth Proportional to 5,628.60, 8,444.88 and 2,119.68

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Solution

The fourth proportional to 5,628.60, 8,444.88 and 2,119.68 is: 3,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.60 : 8,444.88 = 2,119.68 : x
  2. Step 2: Convert to fraction form
    5,628.60/8,444.88 = 2,119.68/x
  3. Step 3: Cross multiply
    5,628.60x = 8,444.88 × 2,119.68
  4. Step 4: Simplify right side
    5,628.60x = 17,900,443.24
  5. Step 5: Solve for x
    x = 17,900,443.24/5,628.60
  6. Step 6: Final answer
    x = 3,180.27

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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.