Home / 7,766.53-11,649.74-4,647.40

Finding the Fourth Proportional to 7,766.53, 11,649.74 and 4,647.40

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Solution

The fourth proportional to 7,766.53, 11,649.74 and 4,647.40 is: 6,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.53 : 11,649.74 = 4,647.40 : x
  2. Step 2: Convert to fraction form
    7,766.53/11,649.74 = 4,647.40/x
  3. Step 3: Cross multiply
    7,766.53x = 11,649.74 × 4,647.40
  4. Step 4: Simplify right side
    7,766.53x = 54,140,949.31
  5. Step 5: Solve for x
    x = 54,140,949.31/7,766.53
  6. Step 6: Final answer
    x = 6,971.06

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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.