Home / 5,311.21-7,329.88-2,953.51

Finding the Fourth Proportional to 5,311.21, 7,329.88 and 2,953.51

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Solution

The fourth proportional to 5,311.21, 7,329.88 and 2,953.51 is: 4,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.21 : 7,329.88 = 2,953.51 : x
  2. Step 2: Convert to fraction form
    5,311.21/7,329.88 = 2,953.51/x
  3. Step 3: Cross multiply
    5,311.21x = 7,329.88 × 2,953.51
  4. Step 4: Simplify right side
    5,311.21x = 21,648,873.88
  5. Step 5: Solve for x
    x = 21,648,873.88/5,311.21
  6. Step 6: Final answer
    x = 4,076.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.