Home / 5,509.09-8,262.58-1,559.39

Finding the Fourth Proportional to 5,509.09, 8,262.58 and 1,559.39

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Solution

The fourth proportional to 5,509.09, 8,262.58 and 1,559.39 is: 2,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.09 : 8,262.58 = 1,559.39 : x
  2. Step 2: Convert to fraction form
    5,509.09/8,262.58 = 1,559.39/x
  3. Step 3: Cross multiply
    5,509.09x = 8,262.58 × 1,559.39
  4. Step 4: Simplify right side
    5,509.09x = 12,884,601.38
  5. Step 5: Solve for x
    x = 12,884,601.38/5,509.09
  6. Step 6: Final answer
    x = 2,338.79

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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.