Home / 8,675.34-13,011.93-2,831.46

Finding the Fourth Proportional to 8,675.34, 13,011.93 and 2,831.46

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Solution

The fourth proportional to 8,675.34, 13,011.93 and 2,831.46 is: 4,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.34 : 13,011.93 = 2,831.46 : x
  2. Step 2: Convert to fraction form
    8,675.34/13,011.93 = 2,831.46/x
  3. Step 3: Cross multiply
    8,675.34x = 13,011.93 × 2,831.46
  4. Step 4: Simplify right side
    8,675.34x = 36,842,759.32
  5. Step 5: Solve for x
    x = 36,842,759.32/8,675.34
  6. Step 6: Final answer
    x = 4,246.84

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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.