Home / 7,886.48-11,831.57-2,339.87

Finding the Fourth Proportional to 7,886.48, 11,831.57 and 2,339.87

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Solution

The fourth proportional to 7,886.48, 11,831.57 and 2,339.87 is: 3,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.48 : 11,831.57 = 2,339.87 : x
  2. Step 2: Convert to fraction form
    7,886.48/11,831.57 = 2,339.87/x
  3. Step 3: Cross multiply
    7,886.48x = 11,831.57 × 2,339.87
  4. Step 4: Simplify right side
    7,886.48x = 27,684,264.84
  5. Step 5: Solve for x
    x = 27,684,264.84/7,886.48
  6. Step 6: Final answer
    x = 3,510.35

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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.