Home / 9,003.78-13,507.29-3,810.06

Finding the Fourth Proportional to 9,003.78, 13,507.29 and 3,810.06

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Solution

The fourth proportional to 9,003.78, 13,507.29 and 3,810.06 is: 5,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.78 : 13,507.29 = 3,810.06 : x
  2. Step 2: Convert to fraction form
    9,003.78/13,507.29 = 3,810.06/x
  3. Step 3: Cross multiply
    9,003.78x = 13,507.29 × 3,810.06
  4. Step 4: Simplify right side
    9,003.78x = 51,463,585.34
  5. Step 5: Solve for x
    x = 51,463,585.34/9,003.78
  6. Step 6: Final answer
    x = 5,715.78

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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.