Home / 8,811.02-12,159.37-4,831.89

Finding the Fourth Proportional to 8,811.02, 12,159.37 and 4,831.89

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Solution

The fourth proportional to 8,811.02, 12,159.37 and 4,831.89 is: 6,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.02 : 12,159.37 = 4,831.89 : x
  2. Step 2: Convert to fraction form
    8,811.02/12,159.37 = 4,831.89/x
  3. Step 3: Cross multiply
    8,811.02x = 12,159.37 × 4,831.89
  4. Step 4: Simplify right side
    8,811.02x = 58,752,726.23
  5. Step 5: Solve for x
    x = 58,752,726.23/8,811.02
  6. Step 6: Final answer
    x = 6,668.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.