Home / 7,082.13-10,623.75-1,887.87

Finding the Fourth Proportional to 7,082.13, 10,623.75 and 1,887.87

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Solution

The fourth proportional to 7,082.13, 10,623.75 and 1,887.87 is: 2,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.13 : 10,623.75 = 1,887.87 : x
  2. Step 2: Convert to fraction form
    7,082.13/10,623.75 = 1,887.87/x
  3. Step 3: Cross multiply
    7,082.13x = 10,623.75 × 1,887.87
  4. Step 4: Simplify right side
    7,082.13x = 20,056,258.91
  5. Step 5: Solve for x
    x = 20,056,258.91/7,082.13
  6. Step 6: Final answer
    x = 2,831.95

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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.