Home / 7,616.21-11,426.67-3,616.70

Finding the Fourth Proportional to 7,616.21, 11,426.67 and 3,616.70

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Solution

The fourth proportional to 7,616.21, 11,426.67 and 3,616.70 is: 5,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.21 : 11,426.67 = 3,616.70 : x
  2. Step 2: Convert to fraction form
    7,616.21/11,426.67 = 3,616.70/x
  3. Step 3: Cross multiply
    7,616.21x = 11,426.67 × 3,616.70
  4. Step 4: Simplify right side
    7,616.21x = 41,326,780.26
  5. Step 5: Solve for x
    x = 41,326,780.26/7,616.21
  6. Step 6: Final answer
    x = 5,426.16

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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.