Home / 6,459.08-9,688.68-2,759.00

Finding the Fourth Proportional to 6,459.08, 9,688.68 and 2,759.00

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Solution

The fourth proportional to 6,459.08, 9,688.68 and 2,759.00 is: 4,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.08 : 9,688.68 = 2,759.00 : x
  2. Step 2: Convert to fraction form
    6,459.08/9,688.68 = 2,759.00/x
  3. Step 3: Cross multiply
    6,459.08x = 9,688.68 × 2,759.00
  4. Step 4: Simplify right side
    6,459.08x = 26,731,019.68
  5. Step 5: Solve for x
    x = 26,731,019.68/6,459.08
  6. Step 6: Final answer
    x = 4,138.52

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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.