Home / 6,543.20-9,814.80-1,926.08

Finding the Fourth Proportional to 6,543.20, 9,814.80 and 1,926.08

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Solution

The fourth proportional to 6,543.20, 9,814.80 and 1,926.08 is: 2,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.20 : 9,814.80 = 1,926.08 : x
  2. Step 2: Convert to fraction form
    6,543.20/9,814.80 = 1,926.08/x
  3. Step 3: Cross multiply
    6,543.20x = 9,814.80 × 1,926.08
  4. Step 4: Simplify right side
    6,543.20x = 18,904,089.98
  5. Step 5: Solve for x
    x = 18,904,089.98/6,543.20
  6. Step 6: Final answer
    x = 2,889.12

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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.