Home / 9,628.27-13,285.51-5,436.43

Finding the Fourth Proportional to 9,628.27, 13,285.51 and 5,436.43

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Solution

The fourth proportional to 9,628.27, 13,285.51 and 5,436.43 is: 7,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.27 : 13,285.51 = 5,436.43 : x
  2. Step 2: Convert to fraction form
    9,628.27/13,285.51 = 5,436.43/x
  3. Step 3: Cross multiply
    9,628.27x = 13,285.51 × 5,436.43
  4. Step 4: Simplify right side
    9,628.27x = 72,225,745.13
  5. Step 5: Solve for x
    x = 72,225,745.13/9,628.27
  6. Step 6: Final answer
    x = 7,501.42

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Similar ratio
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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.