Home / 7,431.32-11,147.37-1,884.71

Finding the Fourth Proportional to 7,431.32, 11,147.37 and 1,884.71

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Solution

The fourth proportional to 7,431.32, 11,147.37 and 1,884.71 is: 2,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.32 : 11,147.37 = 1,884.71 : x
  2. Step 2: Convert to fraction form
    7,431.32/11,147.37 = 1,884.71/x
  3. Step 3: Cross multiply
    7,431.32x = 11,147.37 × 1,884.71
  4. Step 4: Simplify right side
    7,431.32x = 21,009,592.29
  5. Step 5: Solve for x
    x = 21,009,592.29/7,431.32
  6. Step 6: Final answer
    x = 2,827.17

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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.