Home / 7,285.44-10,930.20-3,588.78

Finding the Fourth Proportional to 7,285.44, 10,930.20 and 3,588.78

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Solution

The fourth proportional to 7,285.44, 10,930.20 and 3,588.78 is: 5,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.44 : 10,930.20 = 3,588.78 : x
  2. Step 2: Convert to fraction form
    7,285.44/10,930.20 = 3,588.78/x
  3. Step 3: Cross multiply
    7,285.44x = 10,930.20 × 3,588.78
  4. Step 4: Simplify right side
    7,285.44x = 39,226,083.16
  5. Step 5: Solve for x
    x = 39,226,083.16/7,285.44
  6. Step 6: Final answer
    x = 5,384.17

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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.