Home / 5,286.69-7,292.61-4,658.76

Finding the Fourth Proportional to 5,286.69, 7,292.61 and 4,658.76

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Solution

The fourth proportional to 5,286.69, 7,292.61 and 4,658.76 is: 6,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.69 : 7,292.61 = 4,658.76 : x
  2. Step 2: Convert to fraction form
    5,286.69/7,292.61 = 4,658.76/x
  3. Step 3: Cross multiply
    5,286.69x = 7,292.61 × 4,658.76
  4. Step 4: Simplify right side
    5,286.69x = 33,974,519.76
  5. Step 5: Solve for x
    x = 33,974,519.76/5,286.69
  6. Step 6: Final answer
    x = 6,426.43

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Half scale
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Double scale
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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.