Home / 5,690.32-7,852.88-3,450.96

Finding the Fourth Proportional to 5,690.32, 7,852.88 and 3,450.96

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Solution

The fourth proportional to 5,690.32, 7,852.88 and 3,450.96 is: 4,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.32 : 7,852.88 = 3,450.96 : x
  2. Step 2: Convert to fraction form
    5,690.32/7,852.88 = 3,450.96/x
  3. Step 3: Cross multiply
    5,690.32x = 7,852.88 × 3,450.96
  4. Step 4: Simplify right side
    5,690.32x = 27,099,974.76
  5. Step 5: Solve for x
    x = 27,099,974.76/5,690.32
  6. Step 6: Final answer
    x = 4,762.47

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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.