Home / 8,757.32-13,135.61-4,075.71

Finding the Fourth Proportional to 8,757.32, 13,135.61 and 4,075.71

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Solution

The fourth proportional to 8,757.32, 13,135.61 and 4,075.71 is: 6,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.32 : 13,135.61 = 4,075.71 : x
  2. Step 2: Convert to fraction form
    8,757.32/13,135.61 = 4,075.71/x
  3. Step 3: Cross multiply
    8,757.32x = 13,135.61 × 4,075.71
  4. Step 4: Simplify right side
    8,757.32x = 53,536,965.91
  5. Step 5: Solve for x
    x = 53,536,965.91/8,757.32
  6. Step 6: Final answer
    x = 6,113.40

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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.