Home / 4,800.64-7,195.20-3,135.56

Finding the Fourth Proportional to 4,800.64, 7,195.20 and 3,135.56

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Solution

The fourth proportional to 4,800.64, 7,195.20 and 3,135.56 is: 4,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.64 : 7,195.20 = 3,135.56 : x
  2. Step 2: Convert to fraction form
    4,800.64/7,195.20 = 3,135.56/x
  3. Step 3: Cross multiply
    4,800.64x = 7,195.20 × 3,135.56
  4. Step 4: Simplify right side
    4,800.64x = 22,561,000.51
  5. Step 5: Solve for x
    x = 22,561,000.51/4,800.64
  6. Step 6: Final answer
    x = 4,699.58

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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.