Home / 10,804.78-14,910.40-6,089.06

Finding the Fourth Proportional to 10,804.78, 14,910.40 and 6,089.06

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Solution

The fourth proportional to 10,804.78, 14,910.40 and 6,089.06 is: 8,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.78 : 14,910.40 = 6,089.06 : x
  2. Step 2: Convert to fraction form
    10,804.78/14,910.40 = 6,089.06/x
  3. Step 3: Cross multiply
    10,804.78x = 14,910.40 × 6,089.06
  4. Step 4: Simplify right side
    10,804.78x = 90,790,320.22
  5. Step 5: Solve for x
    x = 90,790,320.22/10,804.78
  6. Step 6: Final answer
    x = 8,402.79

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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.