Home / 7,081.34-10,623.29-2,919.04

Finding the Fourth Proportional to 7,081.34, 10,623.29 and 2,919.04

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Solution

The fourth proportional to 7,081.34, 10,623.29 and 2,919.04 is: 4,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.34 : 10,623.29 = 2,919.04 : x
  2. Step 2: Convert to fraction form
    7,081.34/10,623.29 = 2,919.04/x
  3. Step 3: Cross multiply
    7,081.34x = 10,623.29 × 2,919.04
  4. Step 4: Simplify right side
    7,081.34x = 31,009,767.29
  5. Step 5: Solve for x
    x = 31,009,767.29/7,081.34
  6. Step 6: Final answer
    x = 4,379.08

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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.