Home / 5,631.05-8,446.58-5,288.52

Finding the Fourth Proportional to 5,631.05, 8,446.58 and 5,288.52

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Solution

The fourth proportional to 5,631.05, 8,446.58 and 5,288.52 is: 7,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.05 : 8,446.58 = 5,288.52 : x
  2. Step 2: Convert to fraction form
    5,631.05/8,446.58 = 5,288.52/x
  3. Step 3: Cross multiply
    5,631.05x = 8,446.58 × 5,288.52
  4. Step 4: Simplify right side
    5,631.05x = 44,669,880.82
  5. Step 5: Solve for x
    x = 44,669,880.82/5,631.05
  6. Step 6: Final answer
    x = 7,932.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.