Home / 4,679.29-6,457.08-2,689.93

Finding the Fourth Proportional to 4,679.29, 6,457.08 and 2,689.93

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Solution

The fourth proportional to 4,679.29, 6,457.08 and 2,689.93 is: 3,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.29 : 6,457.08 = 2,689.93 : x
  2. Step 2: Convert to fraction form
    4,679.29/6,457.08 = 2,689.93/x
  3. Step 3: Cross multiply
    4,679.29x = 6,457.08 × 2,689.93
  4. Step 4: Simplify right side
    4,679.29x = 17,369,093.20
  5. Step 5: Solve for x
    x = 17,369,093.20/4,679.29
  6. Step 6: Final answer
    x = 3,711.91

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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.