Home / 8,756.40-13,127.21-4,073.99

Finding the Fourth Proportional to 8,756.40, 13,127.21 and 4,073.99

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Solution

The fourth proportional to 8,756.40, 13,127.21 and 4,073.99 is: 6,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.40 : 13,127.21 = 4,073.99 : x
  2. Step 2: Convert to fraction form
    8,756.40/13,127.21 = 4,073.99/x
  3. Step 3: Cross multiply
    8,756.40x = 13,127.21 × 4,073.99
  4. Step 4: Simplify right side
    8,756.40x = 53,480,101.90
  5. Step 5: Solve for x
    x = 53,480,101.90/8,756.40
  6. Step 6: Final answer
    x = 6,107.54

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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.