Home / 6,526-9,789.36-1,909.36

Finding the Fourth Proportional to 6,526, 9,789.36 and 1,909.36

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Solution

The fourth proportional to 6,526, 9,789.36 and 1,909.36 is: 2,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526 : 9,789.36 = 1,909.36 : x
  2. Step 2: Convert to fraction form
    6,526/9,789.36 = 1,909.36/x
  3. Step 3: Cross multiply
    6,526x = 9,789.36 × 1,909.36
  4. Step 4: Simplify right side
    6,526x = 18,691,412.41
  5. Step 5: Solve for x
    x = 18,691,412.41/6,526
  6. Step 6: Final answer
    x = 2,864.15

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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.