Home / 9,286.52-12,815.40-5,094.80

Finding the Fourth Proportional to 9,286.52, 12,815.40 and 5,094.80

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Solution

The fourth proportional to 9,286.52, 12,815.40 and 5,094.80 is: 7,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.52 : 12,815.40 = 5,094.80 : x
  2. Step 2: Convert to fraction form
    9,286.52/12,815.40 = 5,094.80/x
  3. Step 3: Cross multiply
    9,286.52x = 12,815.40 × 5,094.80
  4. Step 4: Simplify right side
    9,286.52x = 65,291,899.92
  5. Step 5: Solve for x
    x = 65,291,899.92/9,286.52
  6. Step 6: Final answer
    x = 7,030.83

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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.