Home / 7,438.30-10,264.67-4,081.08

Finding the Fourth Proportional to 7,438.30, 10,264.67 and 4,081.08

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Solution

The fourth proportional to 7,438.30, 10,264.67 and 4,081.08 is: 5,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.30 : 10,264.67 = 4,081.08 : x
  2. Step 2: Convert to fraction form
    7,438.30/10,264.67 = 4,081.08/x
  3. Step 3: Cross multiply
    7,438.30x = 10,264.67 × 4,081.08
  4. Step 4: Simplify right side
    7,438.30x = 41,890,939.44
  5. Step 5: Solve for x
    x = 41,890,939.44/7,438.30
  6. Step 6: Final answer
    x = 5,631.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.