Home / 6,922.76-10,388.98-2,762.40

Finding the Fourth Proportional to 6,922.76, 10,388.98 and 2,762.40

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Solution

The fourth proportional to 6,922.76, 10,388.98 and 2,762.40 is: 4,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.76 : 10,388.98 = 2,762.40 : x
  2. Step 2: Convert to fraction form
    6,922.76/10,388.98 = 2,762.40/x
  3. Step 3: Cross multiply
    6,922.76x = 10,388.98 × 2,762.40
  4. Step 4: Simplify right side
    6,922.76x = 28,698,518.35
  5. Step 5: Solve for x
    x = 28,698,518.35/6,922.76
  6. Step 6: Final answer
    x = 4,145.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.