Home / 7,979.37-11,013.95-4,623

Finding the Fourth Proportional to 7,979.37, 11,013.95 and 4,623

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Solution

The fourth proportional to 7,979.37, 11,013.95 and 4,623 is: 6,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.37 : 11,013.95 = 4,623 : x
  2. Step 2: Convert to fraction form
    7,979.37/11,013.95 = 4,623/x
  3. Step 3: Cross multiply
    7,979.37x = 11,013.95 × 4,623
  4. Step 4: Simplify right side
    7,979.37x = 50,917,490.85
  5. Step 5: Solve for x
    x = 50,917,490.85/7,979.37
  6. Step 6: Final answer
    x = 6,381.14

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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.