Home / 6,423.62-8,864.66-3,771.08

Finding the Fourth Proportional to 6,423.62, 8,864.66 and 3,771.08

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Solution

The fourth proportional to 6,423.62, 8,864.66 and 3,771.08 is: 5,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.62 : 8,864.66 = 3,771.08 : x
  2. Step 2: Convert to fraction form
    6,423.62/8,864.66 = 3,771.08/x
  3. Step 3: Cross multiply
    6,423.62x = 8,864.66 × 3,771.08
  4. Step 4: Simplify right side
    6,423.62x = 33,429,297.71
  5. Step 5: Solve for x
    x = 33,429,297.71/6,423.62
  6. Step 6: Final answer
    x = 5,204.12

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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.