Home / 6,287.17-8,676.43-3,454.58

Finding the Fourth Proportional to 6,287.17, 8,676.43 and 3,454.58

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Solution

The fourth proportional to 6,287.17, 8,676.43 and 3,454.58 is: 4,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.17 : 8,676.43 = 3,454.58 : x
  2. Step 2: Convert to fraction form
    6,287.17/8,676.43 = 3,454.58/x
  3. Step 3: Cross multiply
    6,287.17x = 8,676.43 × 3,454.58
  4. Step 4: Simplify right side
    6,287.17x = 29,973,421.55
  5. Step 5: Solve for x
    x = 29,973,421.55/6,287.17
  6. Step 6: Final answer
    x = 4,767.39

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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.