Home / 7,385.34-11,065.68-5,190.14

Finding the Fourth Proportional to 7,385.34, 11,065.68 and 5,190.14

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Solution

The fourth proportional to 7,385.34, 11,065.68 and 5,190.14 is: 7,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.34 : 11,065.68 = 5,190.14 : x
  2. Step 2: Convert to fraction form
    7,385.34/11,065.68 = 5,190.14/x
  3. Step 3: Cross multiply
    7,385.34x = 11,065.68 × 5,190.14
  4. Step 4: Simplify right side
    7,385.34x = 57,432,456.06
  5. Step 5: Solve for x
    x = 57,432,456.06/7,385.34
  6. Step 6: Final answer
    x = 7,776.54

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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.