Home / 8,711.36-13,068.16-2,868.56

Finding the Fourth Proportional to 8,711.36, 13,068.16 and 2,868.56

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Solution

The fourth proportional to 8,711.36, 13,068.16 and 2,868.56 is: 4,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.36 : 13,068.16 = 2,868.56 : x
  2. Step 2: Convert to fraction form
    8,711.36/13,068.16 = 2,868.56/x
  3. Step 3: Cross multiply
    8,711.36x = 13,068.16 × 2,868.56
  4. Step 4: Simplify right side
    8,711.36x = 37,486,801.05
  5. Step 5: Solve for x
    x = 37,486,801.05/8,711.36
  6. Step 6: Final answer
    x = 4,303.21

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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.