Home / 7,881.79-10,877.86-4,525.66

Finding the Fourth Proportional to 7,881.79, 10,877.86 and 4,525.66

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Solution

The fourth proportional to 7,881.79, 10,877.86 and 4,525.66 is: 6,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.79 : 10,877.86 = 4,525.66 : x
  2. Step 2: Convert to fraction form
    7,881.79/10,877.86 = 4,525.66/x
  3. Step 3: Cross multiply
    7,881.79x = 10,877.86 × 4,525.66
  4. Step 4: Simplify right side
    7,881.79x = 49,229,418.87
  5. Step 5: Solve for x
    x = 49,229,418.87/7,881.79
  6. Step 6: Final answer
    x = 6,245.97

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1.5x scale

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.