Home / 5,626.48-7,758.96-3,638.08

Finding the Fourth Proportional to 5,626.48, 7,758.96 and 3,638.08

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Solution

The fourth proportional to 5,626.48, 7,758.96 and 3,638.08 is: 5,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.48 : 7,758.96 = 3,638.08 : x
  2. Step 2: Convert to fraction form
    5,626.48/7,758.96 = 3,638.08/x
  3. Step 3: Cross multiply
    5,626.48x = 7,758.96 × 3,638.08
  4. Step 4: Simplify right side
    5,626.48x = 28,227,717.20
  5. Step 5: Solve for x
    x = 28,227,717.20/5,626.48
  6. Step 6: Final answer
    x = 5,016.94

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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.