Home / 8,677.08-13,016.79-2,831.76

Finding the Fourth Proportional to 8,677.08, 13,016.79 and 2,831.76

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Solution

The fourth proportional to 8,677.08, 13,016.79 and 2,831.76 is: 4,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.08 : 13,016.79 = 2,831.76 : x
  2. Step 2: Convert to fraction form
    8,677.08/13,016.79 = 2,831.76/x
  3. Step 3: Cross multiply
    8,677.08x = 13,016.79 × 2,831.76
  4. Step 4: Simplify right side
    8,677.08x = 36,860,425.25
  5. Step 5: Solve for x
    x = 36,860,425.25/8,677.08
  6. Step 6: Final answer
    x = 4,248.02

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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.