Home / 5,626.41-7,764.75-3,388.98

Finding the Fourth Proportional to 5,626.41, 7,764.75 and 3,388.98

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Solution

The fourth proportional to 5,626.41, 7,764.75 and 3,388.98 is: 4,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.41 : 7,764.75 = 3,388.98 : x
  2. Step 2: Convert to fraction form
    5,626.41/7,764.75 = 3,388.98/x
  3. Step 3: Cross multiply
    5,626.41x = 7,764.75 × 3,388.98
  4. Step 4: Simplify right side
    5,626.41x = 26,314,582.46
  5. Step 5: Solve for x
    x = 26,314,582.46/5,626.41
  6. Step 6: Final answer
    x = 4,676.98

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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.