Home / 5,559.36-7,668.28-3,319.50

Finding the Fourth Proportional to 5,559.36, 7,668.28 and 3,319.50

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Solution

The fourth proportional to 5,559.36, 7,668.28 and 3,319.50 is: 4,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.36 : 7,668.28 = 3,319.50 : x
  2. Step 2: Convert to fraction form
    5,559.36/7,668.28 = 3,319.50/x
  3. Step 3: Cross multiply
    5,559.36x = 7,668.28 × 3,319.50
  4. Step 4: Simplify right side
    5,559.36x = 25,454,855.46
  5. Step 5: Solve for x
    x = 25,454,855.46/5,559.36
  6. Step 6: Final answer
    x = 4,578.74

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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.