Home / 6,287.13-8,676.35-3,454.63

Finding the Fourth Proportional to 6,287.13, 8,676.35 and 3,454.63

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Solution

The fourth proportional to 6,287.13, 8,676.35 and 3,454.63 is: 4,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.13 : 8,676.35 = 3,454.63 : x
  2. Step 2: Convert to fraction form
    6,287.13/8,676.35 = 3,454.63/x
  3. Step 3: Cross multiply
    6,287.13x = 8,676.35 × 3,454.63
  4. Step 4: Simplify right side
    6,287.13x = 29,973,552.99
  5. Step 5: Solve for x
    x = 29,973,552.99/6,287.13
  6. Step 6: Final answer
    x = 4,767.45

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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.