Home / 6,282-8,669.52-3,487.68

Finding the Fourth Proportional to 6,282, 8,669.52 and 3,487.68

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Solution

The fourth proportional to 6,282, 8,669.52 and 3,487.68 is: 4,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282 : 8,669.52 = 3,487.68 : x
  2. Step 2: Convert to fraction form
    6,282/8,669.52 = 3,487.68/x
  3. Step 3: Cross multiply
    6,282x = 8,669.52 × 3,487.68
  4. Step 4: Simplify right side
    6,282x = 30,236,511.51
  5. Step 5: Solve for x
    x = 30,236,511.51/6,282
  6. Step 6: Final answer
    x = 4,813.20

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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.