Home / 7,439.56-11,158.35-1,892.41

Finding the Fourth Proportional to 7,439.56, 11,158.35 and 1,892.41

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Solution

The fourth proportional to 7,439.56, 11,158.35 and 1,892.41 is: 2,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.56 : 11,158.35 = 1,892.41 : x
  2. Step 2: Convert to fraction form
    7,439.56/11,158.35 = 1,892.41/x
  3. Step 3: Cross multiply
    7,439.56x = 11,158.35 × 1,892.41
  4. Step 4: Simplify right side
    7,439.56x = 21,116,173.12
  5. Step 5: Solve for x
    x = 21,116,173.12/7,439.56
  6. Step 6: Final answer
    x = 2,838.36

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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.