Home / 7,390.64-11,084.29-2,125.64

Finding the Fourth Proportional to 7,390.64, 11,084.29 and 2,125.64

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Solution

The fourth proportional to 7,390.64, 11,084.29 and 2,125.64 is: 3,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.64 : 11,084.29 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    7,390.64/11,084.29 = 2,125.64/x
  3. Step 3: Cross multiply
    7,390.64x = 11,084.29 × 2,125.64
  4. Step 4: Simplify right side
    7,390.64x = 23,561,244.55
  5. Step 5: Solve for x
    x = 23,561,244.55/7,390.64
  6. Step 6: Final answer
    x = 3,187.98

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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.