Home / 5,530.08-7,631.28-3,045.92

Finding the Fourth Proportional to 5,530.08, 7,631.28 and 3,045.92

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Solution

The fourth proportional to 5,530.08, 7,631.28 and 3,045.92 is: 4,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.08 : 7,631.28 = 3,045.92 : x
  2. Step 2: Convert to fraction form
    5,530.08/7,631.28 = 3,045.92/x
  3. Step 3: Cross multiply
    5,530.08x = 7,631.28 × 3,045.92
  4. Step 4: Simplify right side
    5,530.08x = 23,244,268.38
  5. Step 5: Solve for x
    x = 23,244,268.38/5,530.08
  6. Step 6: Final answer
    x = 4,203.24

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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.