Home / 7,877.24-10,872.44-4,895.32

Finding the Fourth Proportional to 7,877.24, 10,872.44 and 4,895.32

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Solution

The fourth proportional to 7,877.24, 10,872.44 and 4,895.32 is: 6,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.24 : 10,872.44 = 4,895.32 : x
  2. Step 2: Convert to fraction form
    7,877.24/10,872.44 = 4,895.32/x
  3. Step 3: Cross multiply
    7,877.24x = 10,872.44 × 4,895.32
  4. Step 4: Simplify right side
    7,877.24x = 53,224,072.98
  5. Step 5: Solve for x
    x = 53,224,072.98/7,877.24
  6. Step 6: Final answer
    x = 6,756.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.