Home / 9,358.82-12,914.08-5,582.20

Finding the Fourth Proportional to 9,358.82, 12,914.08 and 5,582.20

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Solution

The fourth proportional to 9,358.82, 12,914.08 and 5,582.20 is: 7,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.82 : 12,914.08 = 5,582.20 : x
  2. Step 2: Convert to fraction form
    9,358.82/12,914.08 = 5,582.20/x
  3. Step 3: Cross multiply
    9,358.82x = 12,914.08 × 5,582.20
  4. Step 4: Simplify right side
    9,358.82x = 72,088,977.38
  5. Step 5: Solve for x
    x = 72,088,977.38/9,358.82
  6. Step 6: Final answer
    x = 7,702.78

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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.