Home / 6,318.04-8,717.04-4,081.20

Finding the Fourth Proportional to 6,318.04, 8,717.04 and 4,081.20

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Solution

The fourth proportional to 6,318.04, 8,717.04 and 4,081.20 is: 5,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.04 : 8,717.04 = 4,081.20 : x
  2. Step 2: Convert to fraction form
    6,318.04/8,717.04 = 4,081.20/x
  3. Step 3: Cross multiply
    6,318.04x = 8,717.04 × 4,081.20
  4. Step 4: Simplify right side
    6,318.04x = 35,575,983.65
  5. Step 5: Solve for x
    x = 35,575,983.65/6,318.04
  6. Step 6: Final answer
    x = 5,630.86

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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.