Home / 7,759.89-11,639.86-2,829.52

Finding the Fourth Proportional to 7,759.89, 11,639.86 and 2,829.52

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Solution

The fourth proportional to 7,759.89, 11,639.86 and 2,829.52 is: 4,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.89 : 11,639.86 = 2,829.52 : x
  2. Step 2: Convert to fraction form
    7,759.89/11,639.86 = 2,829.52/x
  3. Step 3: Cross multiply
    7,759.89x = 11,639.86 × 2,829.52
  4. Step 4: Simplify right side
    7,759.89x = 32,935,216.67
  5. Step 5: Solve for x
    x = 32,935,216.67/7,759.89
  6. Step 6: Final answer
    x = 4,244.29

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1.5x scale

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.