Home / 6,276.32-8,661.52-3,623.68

Finding the Fourth Proportional to 6,276.32, 8,661.52 and 3,623.68

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Solution

The fourth proportional to 6,276.32, 8,661.52 and 3,623.68 is: 5,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.32 : 8,661.52 = 3,623.68 : x
  2. Step 2: Convert to fraction form
    6,276.32/8,661.52 = 3,623.68/x
  3. Step 3: Cross multiply
    6,276.32x = 8,661.52 × 3,623.68
  4. Step 4: Simplify right side
    6,276.32x = 31,386,576.79
  5. Step 5: Solve for x
    x = 31,386,576.79/6,276.32
  6. Step 6: Final answer
    x = 5,000.79

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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.