Home / 6,261.63-9,384.36-4,689.28

Finding the Fourth Proportional to 6,261.63, 9,384.36 and 4,689.28

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Solution

The fourth proportional to 6,261.63, 9,384.36 and 4,689.28 is: 7,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.63 : 9,384.36 = 4,689.28 : x
  2. Step 2: Convert to fraction form
    6,261.63/9,384.36 = 4,689.28/x
  3. Step 3: Cross multiply
    6,261.63x = 9,384.36 × 4,689.28
  4. Step 4: Simplify right side
    6,261.63x = 44,005,891.66
  5. Step 5: Solve for x
    x = 44,005,891.66/6,261.63
  6. Step 6: Final answer
    x = 7,027.87

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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.