Home / 8,562.74-12,838.30-3,015.35

Finding the Fourth Proportional to 8,562.74, 12,838.30 and 3,015.35

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Solution

The fourth proportional to 8,562.74, 12,838.30 and 3,015.35 is: 4,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.74 : 12,838.30 = 3,015.35 : x
  2. Step 2: Convert to fraction form
    8,562.74/12,838.30 = 3,015.35/x
  3. Step 3: Cross multiply
    8,562.74x = 12,838.30 × 3,015.35
  4. Step 4: Simplify right side
    8,562.74x = 38,711,980.43
  5. Step 5: Solve for x
    x = 38,711,980.43/8,562.74
  6. Step 6: Final answer
    x = 4,520.98

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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.