Home / 7,892.37-10,890.89-4,535.19

Finding the Fourth Proportional to 7,892.37, 10,890.89 and 4,535.19

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Solution

The fourth proportional to 7,892.37, 10,890.89 and 4,535.19 is: 6,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.37 : 10,890.89 = 4,535.19 : x
  2. Step 2: Convert to fraction form
    7,892.37/10,890.89 = 4,535.19/x
  3. Step 3: Cross multiply
    7,892.37x = 10,890.89 × 4,535.19
  4. Step 4: Simplify right side
    7,892.37x = 49,392,249.75
  5. Step 5: Solve for x
    x = 49,392,249.75/7,892.37
  6. Step 6: Final answer
    x = 6,258.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.