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Finding the Fourth Proportional to 9,011.56, 13,505.80 and 3,810.28

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Solution

The fourth proportional to 9,011.56, 13,505.80 and 3,810.28 is: 5,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.56 : 13,505.80 = 3,810.28 : x
  2. Step 2: Convert to fraction form
    9,011.56/13,505.80 = 3,810.28/x
  3. Step 3: Cross multiply
    9,011.56x = 13,505.80 × 3,810.28
  4. Step 4: Simplify right side
    9,011.56x = 51,460,879.62
  5. Step 5: Solve for x
    x = 51,460,879.62/9,011.56
  6. Step 6: Final answer
    x = 5,710.54

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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.