Home / 7,980.08-11,962.44-5,051.12

Finding the Fourth Proportional to 7,980.08, 11,962.44 and 5,051.12

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Solution

The fourth proportional to 7,980.08, 11,962.44 and 5,051.12 is: 7,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.08 : 11,962.44 = 5,051.12 : x
  2. Step 2: Convert to fraction form
    7,980.08/11,962.44 = 5,051.12/x
  3. Step 3: Cross multiply
    7,980.08x = 11,962.44 × 5,051.12
  4. Step 4: Simplify right side
    7,980.08x = 60,423,719.93
  5. Step 5: Solve for x
    x = 60,423,719.93/7,980.08
  6. Step 6: Final answer
    x = 7,571.82

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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.