Home / 6,285.98-8,660.84-4,685.82

Finding the Fourth Proportional to 6,285.98, 8,660.84 and 4,685.82

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Solution

The fourth proportional to 6,285.98, 8,660.84 and 4,685.82 is: 6,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.98 : 8,660.84 = 4,685.82 : x
  2. Step 2: Convert to fraction form
    6,285.98/8,660.84 = 4,685.82/x
  3. Step 3: Cross multiply
    6,285.98x = 8,660.84 × 4,685.82
  4. Step 4: Simplify right side
    6,285.98x = 40,583,137.29
  5. Step 5: Solve for x
    x = 40,583,137.29/6,285.98
  6. Step 6: Final answer
    x = 6,456.14

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1.5x scale

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.