Home / 6,526.38-9,789.59-1,909.38

Finding the Fourth Proportional to 6,526.38, 9,789.59 and 1,909.38

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Solution

The fourth proportional to 6,526.38, 9,789.59 and 1,909.38 is: 2,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.38 : 9,789.59 = 1,909.38 : x
  2. Step 2: Convert to fraction form
    6,526.38/9,789.59 = 1,909.38/x
  3. Step 3: Cross multiply
    6,526.38x = 9,789.59 × 1,909.38
  4. Step 4: Simplify right side
    6,526.38x = 18,692,047.35
  5. Step 5: Solve for x
    x = 18,692,047.35/6,526.38
  6. Step 6: Final answer
    x = 2,864.08

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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.