Home / 8,460.45-11,672.58-4,922.91

Finding the Fourth Proportional to 8,460.45, 11,672.58 and 4,922.91

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Solution

The fourth proportional to 8,460.45, 11,672.58 and 4,922.91 is: 6,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.45 : 11,672.58 = 4,922.91 : x
  2. Step 2: Convert to fraction form
    8,460.45/11,672.58 = 4,922.91/x
  3. Step 3: Cross multiply
    8,460.45x = 11,672.58 × 4,922.91
  4. Step 4: Simplify right side
    8,460.45x = 57,463,060.81
  5. Step 5: Solve for x
    x = 57,463,060.81/8,460.45
  6. Step 6: Final answer
    x = 6,791.96

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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.