Home / 7,728.12-11,588.70-2,462.16

Finding the Fourth Proportional to 7,728.12, 11,588.70 and 2,462.16

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Solution

The fourth proportional to 7,728.12, 11,588.70 and 2,462.16 is: 3,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.12 : 11,588.70 = 2,462.16 : x
  2. Step 2: Convert to fraction form
    7,728.12/11,588.70 = 2,462.16/x
  3. Step 3: Cross multiply
    7,728.12x = 11,588.70 × 2,462.16
  4. Step 4: Simplify right side
    7,728.12x = 28,533,233.59
  5. Step 5: Solve for x
    x = 28,533,233.59/7,728.12
  6. Step 6: Final answer
    x = 3,692.13

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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.