Home / 5,619.09-8,426.01-1,668.89

Finding the Fourth Proportional to 5,619.09, 8,426.01 and 1,668.89

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Solution

The fourth proportional to 5,619.09, 8,426.01 and 1,668.89 is: 2,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.09 : 8,426.01 = 1,668.89 : x
  2. Step 2: Convert to fraction form
    5,619.09/8,426.01 = 1,668.89/x
  3. Step 3: Cross multiply
    5,619.09x = 8,426.01 × 1,668.89
  4. Step 4: Simplify right side
    5,619.09x = 14,062,075.48
  5. Step 5: Solve for x
    x = 14,062,075.48/5,619.09
  6. Step 6: Final answer
    x = 2,502.56

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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.