Home / 6,471.12-9,699.96-3,395.28

Finding the Fourth Proportional to 6,471.12, 9,699.96 and 3,395.28

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Solution

The fourth proportional to 6,471.12, 9,699.96 and 3,395.28 is: 5,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.12 : 9,699.96 = 3,395.28 : x
  2. Step 2: Convert to fraction form
    6,471.12/9,699.96 = 3,395.28/x
  3. Step 3: Cross multiply
    6,471.12x = 9,699.96 × 3,395.28
  4. Step 4: Simplify right side
    6,471.12x = 32,934,080.19
  5. Step 5: Solve for x
    x = 32,934,080.19/6,471.12
  6. Step 6: Final answer
    x = 5,089.39

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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.