Home / 5,628.08-7,770.53-3,504.47

Finding the Fourth Proportional to 5,628.08, 7,770.53 and 3,504.47

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Solution

The fourth proportional to 5,628.08, 7,770.53 and 3,504.47 is: 4,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.08 : 7,770.53 = 3,504.47 : x
  2. Step 2: Convert to fraction form
    5,628.08/7,770.53 = 3,504.47/x
  3. Step 3: Cross multiply
    5,628.08x = 7,770.53 × 3,504.47
  4. Step 4: Simplify right side
    5,628.08x = 27,231,589.27
  5. Step 5: Solve for x
    x = 27,231,589.27/5,628.08
  6. Step 6: Final answer
    x = 4,838.52

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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.