Home / 7,328.12-10,992.54-2,134.10

Finding the Fourth Proportional to 7,328.12, 10,992.54 and 2,134.10

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Solution

The fourth proportional to 7,328.12, 10,992.54 and 2,134.10 is: 3,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.12 : 10,992.54 = 2,134.10 : x
  2. Step 2: Convert to fraction form
    7,328.12/10,992.54 = 2,134.10/x
  3. Step 3: Cross multiply
    7,328.12x = 10,992.54 × 2,134.10
  4. Step 4: Simplify right side
    7,328.12x = 23,459,179.61
  5. Step 5: Solve for x
    x = 23,459,179.61/7,328.12
  6. Step 6: Final answer
    x = 3,201.25

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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.