Home / 9,765.27-13,475.97-5,288.94

Finding the Fourth Proportional to 9,765.27, 13,475.97 and 5,288.94

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Solution

The fourth proportional to 9,765.27, 13,475.97 and 5,288.94 is: 7,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.27 : 13,475.97 = 5,288.94 : x
  2. Step 2: Convert to fraction form
    9,765.27/13,475.97 = 5,288.94/x
  3. Step 3: Cross multiply
    9,765.27x = 13,475.97 × 5,288.94
  4. Step 4: Simplify right side
    9,765.27x = 71,273,596.77
  5. Step 5: Solve for x
    x = 71,273,596.77/9,765.27
  6. Step 6: Final answer
    x = 7,298.68

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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.