Home / 8,378.38-12,567.75-2,534.98

Finding the Fourth Proportional to 8,378.38, 12,567.75 and 2,534.98

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Solution

The fourth proportional to 8,378.38, 12,567.75 and 2,534.98 is: 3,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.38 : 12,567.75 = 2,534.98 : x
  2. Step 2: Convert to fraction form
    8,378.38/12,567.75 = 2,534.98/x
  3. Step 3: Cross multiply
    8,378.38x = 12,567.75 × 2,534.98
  4. Step 4: Simplify right side
    8,378.38x = 31,858,994.90
  5. Step 5: Solve for x
    x = 31,858,994.90/8,378.38
  6. Step 6: Final answer
    x = 3,802.52

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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.