Home / 6,428.32-9,640.54-2,730.52

Finding the Fourth Proportional to 6,428.32, 9,640.54 and 2,730.52

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Solution

The fourth proportional to 6,428.32, 9,640.54 and 2,730.52 is: 4,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.32 : 9,640.54 = 2,730.52 : x
  2. Step 2: Convert to fraction form
    6,428.32/9,640.54 = 2,730.52/x
  3. Step 3: Cross multiply
    6,428.32x = 9,640.54 × 2,730.52
  4. Step 4: Simplify right side
    6,428.32x = 26,323,687.28
  5. Step 5: Solve for x
    x = 26,323,687.28/6,428.32
  6. Step 6: Final answer
    x = 4,094.96

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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.