Home / 9,775.90-14,659.70-3,851.86

Finding the Fourth Proportional to 9,775.90, 14,659.70 and 3,851.86

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Solution

The fourth proportional to 9,775.90, 14,659.70 and 3,851.86 is: 5,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.90 : 14,659.70 = 3,851.86 : x
  2. Step 2: Convert to fraction form
    9,775.90/14,659.70 = 3,851.86/x
  3. Step 3: Cross multiply
    9,775.90x = 14,659.70 × 3,851.86
  4. Step 4: Simplify right side
    9,775.90x = 56,467,112.04
  5. Step 5: Solve for x
    x = 56,467,112.04/9,775.90
  6. Step 6: Final answer
    x = 5,776.15

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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.