Home / 5,623.79-7,767.09-4,379.81

Finding the Fourth Proportional to 5,623.79, 7,767.09 and 4,379.81

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Solution

The fourth proportional to 5,623.79, 7,767.09 and 4,379.81 is: 6,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.79 : 7,767.09 = 4,379.81 : x
  2. Step 2: Convert to fraction form
    5,623.79/7,767.09 = 4,379.81/x
  3. Step 3: Cross multiply
    5,623.79x = 7,767.09 × 4,379.81
  4. Step 4: Simplify right side
    5,623.79x = 34,018,339.62
  5. Step 5: Solve for x
    x = 34,018,339.62/5,623.79
  6. Step 6: Final answer
    x = 6,049.01

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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.