Home / 7,758.89-11,629.68-5,095.61

Finding the Fourth Proportional to 7,758.89, 11,629.68 and 5,095.61

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Solution

The fourth proportional to 7,758.89, 11,629.68 and 5,095.61 is: 7,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.89 : 11,629.68 = 5,095.61 : x
  2. Step 2: Convert to fraction form
    7,758.89/11,629.68 = 5,095.61/x
  3. Step 3: Cross multiply
    7,758.89x = 11,629.68 × 5,095.61
  4. Step 4: Simplify right side
    7,758.89x = 59,260,280.06
  5. Step 5: Solve for x
    x = 59,260,280.06/7,758.89
  6. Step 6: Final answer
    x = 7,637.73

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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.