Home / 7,858.11-11,776.43-4,342.91

Finding the Fourth Proportional to 7,858.11, 11,776.43 and 4,342.91

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Solution

The fourth proportional to 7,858.11, 11,776.43 and 4,342.91 is: 6,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.11 : 11,776.43 = 4,342.91 : x
  2. Step 2: Convert to fraction form
    7,858.11/11,776.43 = 4,342.91/x
  3. Step 3: Cross multiply
    7,858.11x = 11,776.43 × 4,342.91
  4. Step 4: Simplify right side
    7,858.11x = 51,143,975.61
  5. Step 5: Solve for x
    x = 51,143,975.61/7,858.11
  6. Step 6: Final answer
    x = 6,508.43

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1.5x scale

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.