Home / 7,082.29-10,623.18-2,919.18

Finding the Fourth Proportional to 7,082.29, 10,623.18 and 2,919.18

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Solution

The fourth proportional to 7,082.29, 10,623.18 and 2,919.18 is: 4,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.29 : 10,623.18 = 2,919.18 : x
  2. Step 2: Convert to fraction form
    7,082.29/10,623.18 = 2,919.18/x
  3. Step 3: Cross multiply
    7,082.29x = 10,623.18 × 2,919.18
  4. Step 4: Simplify right side
    7,082.29x = 31,010,927.72
  5. Step 5: Solve for x
    x = 31,010,927.72/7,082.29
  6. Step 6: Final answer
    x = 4,378.66

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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.