Home / 7,591.23-11,387.79-4,076.40

Finding the Fourth Proportional to 7,591.23, 11,387.79 and 4,076.40

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Solution

The fourth proportional to 7,591.23, 11,387.79 and 4,076.40 is: 6,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.23 : 11,387.79 = 4,076.40 : x
  2. Step 2: Convert to fraction form
    7,591.23/11,387.79 = 4,076.40/x
  3. Step 3: Cross multiply
    7,591.23x = 11,387.79 × 4,076.40
  4. Step 4: Simplify right side
    7,591.23x = 46,421,187.16
  5. Step 5: Solve for x
    x = 46,421,187.16/7,591.23
  6. Step 6: Final answer
    x = 6,115.11

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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.