Home / 5,559.35-7,666.07-3,668.45

Finding the Fourth Proportional to 5,559.35, 7,666.07 and 3,668.45

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Solution

The fourth proportional to 5,559.35, 7,666.07 and 3,668.45 is: 5,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.35 : 7,666.07 = 3,668.45 : x
  2. Step 2: Convert to fraction form
    5,559.35/7,666.07 = 3,668.45/x
  3. Step 3: Cross multiply
    5,559.35x = 7,666.07 × 3,668.45
  4. Step 4: Simplify right side
    5,559.35x = 28,122,537.82
  5. Step 5: Solve for x
    x = 28,122,537.82/5,559.35
  6. Step 6: Final answer
    x = 5,058.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.