Home / 10,780.08-16,178.50-4,937.02

Finding the Fourth Proportional to 10,780.08, 16,178.50 and 4,937.02

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Solution

The fourth proportional to 10,780.08, 16,178.50 and 4,937.02 is: 7,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.08 : 16,178.50 = 4,937.02 : x
  2. Step 2: Convert to fraction form
    10,780.08/16,178.50 = 4,937.02/x
  3. Step 3: Cross multiply
    10,780.08x = 16,178.50 × 4,937.02
  4. Step 4: Simplify right side
    10,780.08x = 79,873,578.07
  5. Step 5: Solve for x
    x = 79,873,578.07/10,780.08
  6. Step 6: Final answer
    x = 7,409.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.