Home / 7,639.06-11,459.73-2,708.29

Finding the Fourth Proportional to 7,639.06, 11,459.73 and 2,708.29

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Solution

The fourth proportional to 7,639.06, 11,459.73 and 2,708.29 is: 4,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.06 : 11,459.73 = 2,708.29 : x
  2. Step 2: Convert to fraction form
    7,639.06/11,459.73 = 2,708.29/x
  3. Step 3: Cross multiply
    7,639.06x = 11,459.73 × 2,708.29
  4. Step 4: Simplify right side
    7,639.06x = 31,036,216.95
  5. Step 5: Solve for x
    x = 31,036,216.95/7,639.06
  6. Step 6: Final answer
    x = 4,062.83

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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.