Home / 5,581.08-8,369.64-1,631.28

Finding the Fourth Proportional to 5,581.08, 8,369.64 and 1,631.28

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Solution

The fourth proportional to 5,581.08, 8,369.64 and 1,631.28 is: 2,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.08 : 8,369.64 = 1,631.28 : x
  2. Step 2: Convert to fraction form
    5,581.08/8,369.64 = 1,631.28/x
  3. Step 3: Cross multiply
    5,581.08x = 8,369.64 × 1,631.28
  4. Step 4: Simplify right side
    5,581.08x = 13,653,226.34
  5. Step 5: Solve for x
    x = 13,653,226.34/5,581.08
  6. Step 6: Final answer
    x = 2,446.34

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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.