Home / 5,282.08-7,288.11-3,157.30

Finding the Fourth Proportional to 5,282.08, 7,288.11 and 3,157.30

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Solution

The fourth proportional to 5,282.08, 7,288.11 and 3,157.30 is: 4,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.08 : 7,288.11 = 3,157.30 : x
  2. Step 2: Convert to fraction form
    5,282.08/7,288.11 = 3,157.30/x
  3. Step 3: Cross multiply
    5,282.08x = 7,288.11 × 3,157.30
  4. Step 4: Simplify right side
    5,282.08x = 23,010,713.26
  5. Step 5: Solve for x
    x = 23,010,713.26/5,282.08
  6. Step 6: Final answer
    x = 4,356.38

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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.