Home / 6,385.14-9,581.34-2,922.39

Finding the Fourth Proportional to 6,385.14, 9,581.34 and 2,922.39

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Solution

The fourth proportional to 6,385.14, 9,581.34 and 2,922.39 is: 4,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.14 : 9,581.34 = 2,922.39 : x
  2. Step 2: Convert to fraction form
    6,385.14/9,581.34 = 2,922.39/x
  3. Step 3: Cross multiply
    6,385.14x = 9,581.34 × 2,922.39
  4. Step 4: Simplify right side
    6,385.14x = 28,000,412.20
  5. Step 5: Solve for x
    x = 28,000,412.20/6,385.14
  6. Step 6: Final answer
    x = 4,385.25

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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.