Home / 3,559.18-5,339.09-926.68

Finding the Fourth Proportional to 3,559.18, 5,339.09 and 926.68

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Solution

The fourth proportional to 3,559.18, 5,339.09 and 926.68 is: 1,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.18 : 5,339.09 = 926.68 : x
  2. Step 2: Convert to fraction form
    3,559.18/5,339.09 = 926.68/x
  3. Step 3: Cross multiply
    3,559.18x = 5,339.09 × 926.68
  4. Step 4: Simplify right side
    3,559.18x = 4,947,627.92
  5. Step 5: Solve for x
    x = 4,947,627.92/3,559.18
  6. Step 6: Final answer
    x = 1,390.10

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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.