Home / 7,922.01-10,932.35-4,385.21

Finding the Fourth Proportional to 7,922.01, 10,932.35 and 4,385.21

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Solution

The fourth proportional to 7,922.01, 10,932.35 and 4,385.21 is: 6,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.01 : 10,932.35 = 4,385.21 : x
  2. Step 2: Convert to fraction form
    7,922.01/10,932.35 = 4,385.21/x
  3. Step 3: Cross multiply
    7,922.01x = 10,932.35 × 4,385.21
  4. Step 4: Simplify right side
    7,922.01x = 47,940,573.96
  5. Step 5: Solve for x
    x = 47,940,573.96/7,922.01
  6. Step 6: Final answer
    x = 6,051.57

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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.