Home / 7,489.29-11,233.98-3,328.32

Finding the Fourth Proportional to 7,489.29, 11,233.98 and 3,328.32

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Solution

The fourth proportional to 7,489.29, 11,233.98 and 3,328.32 is: 4,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.29 : 11,233.98 = 3,328.32 : x
  2. Step 2: Convert to fraction form
    7,489.29/11,233.98 = 3,328.32/x
  3. Step 3: Cross multiply
    7,489.29x = 11,233.98 × 3,328.32
  4. Step 4: Simplify right side
    7,489.29x = 37,390,280.31
  5. Step 5: Solve for x
    x = 37,390,280.31/7,489.29
  6. Step 6: Final answer
    x = 4,992.50

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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.