Home / 7,430.65-11,147.44-2,750.70

Finding the Fourth Proportional to 7,430.65, 11,147.44 and 2,750.70

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Solution

The fourth proportional to 7,430.65, 11,147.44 and 2,750.70 is: 4,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.65 : 11,147.44 = 2,750.70 : x
  2. Step 2: Convert to fraction form
    7,430.65/11,147.44 = 2,750.70/x
  3. Step 3: Cross multiply
    7,430.65x = 11,147.44 × 2,750.70
  4. Step 4: Simplify right side
    7,430.65x = 30,663,260.34
  5. Step 5: Solve for x
    x = 30,663,260.34/7,430.65
  6. Step 6: Final answer
    x = 4,126.59

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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.