Home / 7,288.82-10,930.55-2,607.56

Finding the Fourth Proportional to 7,288.82, 10,930.55 and 2,607.56

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Solution

The fourth proportional to 7,288.82, 10,930.55 and 2,607.56 is: 3,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.82 : 10,930.55 = 2,607.56 : x
  2. Step 2: Convert to fraction form
    7,288.82/10,930.55 = 2,607.56/x
  3. Step 3: Cross multiply
    7,288.82x = 10,930.55 × 2,607.56
  4. Step 4: Simplify right side
    7,288.82x = 28,502,038.26
  5. Step 5: Solve for x
    x = 28,502,038.26/7,288.82
  6. Step 6: Final answer
    x = 3,910.38

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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.