Home / 5,559.87-7,668.98-3,319.99

Finding the Fourth Proportional to 5,559.87, 7,668.98 and 3,319.99

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Solution

The fourth proportional to 5,559.87, 7,668.98 and 3,319.99 is: 4,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.87 : 7,668.98 = 3,319.99 : x
  2. Step 2: Convert to fraction form
    5,559.87/7,668.98 = 3,319.99/x
  3. Step 3: Cross multiply
    5,559.87x = 7,668.98 × 3,319.99
  4. Step 4: Simplify right side
    5,559.87x = 25,460,920.31
  5. Step 5: Solve for x
    x = 25,460,920.31/5,559.87
  6. Step 6: Final answer
    x = 4,579.41

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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.