Home / 6,442.02-9,664.64-2,059.47

Finding the Fourth Proportional to 6,442.02, 9,664.64 and 2,059.47

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Solution

The fourth proportional to 6,442.02, 9,664.64 and 2,059.47 is: 3,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.02 : 9,664.64 = 2,059.47 : x
  2. Step 2: Convert to fraction form
    6,442.02/9,664.64 = 2,059.47/x
  3. Step 3: Cross multiply
    6,442.02x = 9,664.64 × 2,059.47
  4. Step 4: Simplify right side
    6,442.02x = 19,904,025.84
  5. Step 5: Solve for x
    x = 19,904,025.84/6,442.02
  6. Step 6: Final answer
    x = 3,089.72

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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.