Home / 7,758.27-11,637.62-2,831.58

Finding the Fourth Proportional to 7,758.27, 11,637.62 and 2,831.58

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Solution

The fourth proportional to 7,758.27, 11,637.62 and 2,831.58 is: 4,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.27 : 11,637.62 = 2,831.58 : x
  2. Step 2: Convert to fraction form
    7,758.27/11,637.62 = 2,831.58/x
  3. Step 3: Cross multiply
    7,758.27x = 11,637.62 × 2,831.58
  4. Step 4: Simplify right side
    7,758.27x = 32,952,837.88
  5. Step 5: Solve for x
    x = 32,952,837.88/7,758.27
  6. Step 6: Final answer
    x = 4,247.45

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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.