Home / 4,689.07-6,471.20-2,699.58

Finding the Fourth Proportional to 4,689.07, 6,471.20 and 2,699.58

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Solution

The fourth proportional to 4,689.07, 6,471.20 and 2,699.58 is: 3,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.07 : 6,471.20 = 2,699.58 : x
  2. Step 2: Convert to fraction form
    4,689.07/6,471.20 = 2,699.58/x
  3. Step 3: Cross multiply
    4,689.07x = 6,471.20 × 2,699.58
  4. Step 4: Simplify right side
    4,689.07x = 17,469,522.10
  5. Step 5: Solve for x
    x = 17,469,522.10/4,689.07
  6. Step 6: Final answer
    x = 3,725.58

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1.5x scale

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.