Home / 7,315.11-10,973.80-2,383.60

Finding the Fourth Proportional to 7,315.11, 10,973.80 and 2,383.60

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Solution

The fourth proportional to 7,315.11, 10,973.80 and 2,383.60 is: 3,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.11 : 10,973.80 = 2,383.60 : x
  2. Step 2: Convert to fraction form
    7,315.11/10,973.80 = 2,383.60/x
  3. Step 3: Cross multiply
    7,315.11x = 10,973.80 × 2,383.60
  4. Step 4: Simplify right side
    7,315.11x = 26,157,183.37
  5. Step 5: Solve for x
    x = 26,157,183.37/7,315.11
  6. Step 6: Final answer
    x = 3,575.77

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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.