Home / 7,391.10-11,089.48-5,285.10

Finding the Fourth Proportional to 7,391.10, 11,089.48 and 5,285.10

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Solution

The fourth proportional to 7,391.10, 11,089.48 and 5,285.10 is: 7,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.10 : 11,089.48 = 5,285.10 : x
  2. Step 2: Convert to fraction form
    7,391.10/11,089.48 = 5,285.10/x
  3. Step 3: Cross multiply
    7,391.10x = 11,089.48 × 5,285.10
  4. Step 4: Simplify right side
    7,391.10x = 58,609,010.75
  5. Step 5: Solve for x
    x = 58,609,010.75/7,391.10
  6. Step 6: Final answer
    x = 7,929.67

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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.