Home / 7,236.90-10,859.40-3,076.20

Finding the Fourth Proportional to 7,236.90, 10,859.40 and 3,076.20

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Solution

The fourth proportional to 7,236.90, 10,859.40 and 3,076.20 is: 4,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.90 : 10,859.40 = 3,076.20 : x
  2. Step 2: Convert to fraction form
    7,236.90/10,859.40 = 3,076.20/x
  3. Step 3: Cross multiply
    7,236.90x = 10,859.40 × 3,076.20
  4. Step 4: Simplify right side
    7,236.90x = 33,405,686.28
  5. Step 5: Solve for x
    x = 33,405,686.28/7,236.90
  6. Step 6: Final answer
    x = 4,616.02

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1.5x scale

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.