Home / 7,922.34-10,932.69-4,385.47

Finding the Fourth Proportional to 7,922.34, 10,932.69 and 4,385.47

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Solution

The fourth proportional to 7,922.34, 10,932.69 and 4,385.47 is: 6,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.34 : 10,932.69 = 4,385.47 : x
  2. Step 2: Convert to fraction form
    7,922.34/10,932.69 = 4,385.47/x
  3. Step 3: Cross multiply
    7,922.34x = 10,932.69 × 4,385.47
  4. Step 4: Simplify right side
    7,922.34x = 47,944,984.01
  5. Step 5: Solve for x
    x = 47,944,984.01/7,922.34
  6. Step 6: Final answer
    x = 6,051.87

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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.