Home / 8,752.62-13,131.53-4,075.39

Finding the Fourth Proportional to 8,752.62, 13,131.53 and 4,075.39

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Solution

The fourth proportional to 8,752.62, 13,131.53 and 4,075.39 is: 6,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.62 : 13,131.53 = 4,075.39 : x
  2. Step 2: Convert to fraction form
    8,752.62/13,131.53 = 4,075.39/x
  3. Step 3: Cross multiply
    8,752.62x = 13,131.53 × 4,075.39
  4. Step 4: Simplify right side
    8,752.62x = 53,516,020.01
  5. Step 5: Solve for x
    x = 53,516,020.01/8,752.62
  6. Step 6: Final answer
    x = 6,114.29

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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.