Home / 5,383.61-8,068.49-5,245.21

Finding the Fourth Proportional to 5,383.61, 8,068.49 and 5,245.21

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Solution

The fourth proportional to 5,383.61, 8,068.49 and 5,245.21 is: 7,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.61 : 8,068.49 = 5,245.21 : x
  2. Step 2: Convert to fraction form
    5,383.61/8,068.49 = 5,245.21/x
  3. Step 3: Cross multiply
    5,383.61x = 8,068.49 × 5,245.21
  4. Step 4: Simplify right side
    5,383.61x = 42,320,952.08
  5. Step 5: Solve for x
    x = 42,320,952.08/5,383.61
  6. Step 6: Final answer
    x = 7,861.08

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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.