Home / 6,260.80-8,638.62-3,607.50

Finding the Fourth Proportional to 6,260.80, 8,638.62 and 3,607.50

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Solution

The fourth proportional to 6,260.80, 8,638.62 and 3,607.50 is: 4,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.80 : 8,638.62 = 3,607.50 : x
  2. Step 2: Convert to fraction form
    6,260.80/8,638.62 = 3,607.50/x
  3. Step 3: Cross multiply
    6,260.80x = 8,638.62 × 3,607.50
  4. Step 4: Simplify right side
    6,260.80x = 31,163,821.65
  5. Step 5: Solve for x
    x = 31,163,821.65/6,260.80
  6. Step 6: Final answer
    x = 4,977.61

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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.