Home / 4,082.79-6,124.28-2,315.16

Finding the Fourth Proportional to 4,082.79, 6,124.28 and 2,315.16

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Solution

The fourth proportional to 4,082.79, 6,124.28 and 2,315.16 is: 3,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.79 : 6,124.28 = 2,315.16 : x
  2. Step 2: Convert to fraction form
    4,082.79/6,124.28 = 2,315.16/x
  3. Step 3: Cross multiply
    4,082.79x = 6,124.28 × 2,315.16
  4. Step 4: Simplify right side
    4,082.79x = 14,178,676.51
  5. Step 5: Solve for x
    x = 14,178,676.51/4,082.79
  6. Step 6: Final answer
    x = 3,472.79

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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.