Home / 9,125.37-13,713.70-5,428.26

Finding the Fourth Proportional to 9,125.37, 13,713.70 and 5,428.26

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Solution

The fourth proportional to 9,125.37, 13,713.70 and 5,428.26 is: 8,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.37 : 13,713.70 = 5,428.26 : x
  2. Step 2: Convert to fraction form
    9,125.37/13,713.70 = 5,428.26/x
  3. Step 3: Cross multiply
    9,125.37x = 13,713.70 × 5,428.26
  4. Step 4: Simplify right side
    9,125.37x = 74,441,529.16
  5. Step 5: Solve for x
    x = 74,441,529.16/9,125.37
  6. Step 6: Final answer
    x = 8,157.65

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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.