Home / 7,700.91-11,551.86-2,436.11

Finding the Fourth Proportional to 7,700.91, 11,551.86 and 2,436.11

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Solution

The fourth proportional to 7,700.91, 11,551.86 and 2,436.11 is: 3,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.91 : 11,551.86 = 2,436.11 : x
  2. Step 2: Convert to fraction form
    7,700.91/11,551.86 = 2,436.11/x
  3. Step 3: Cross multiply
    7,700.91x = 11,551.86 × 2,436.11
  4. Step 4: Simplify right side
    7,700.91x = 28,141,543.91
  5. Step 5: Solve for x
    x = 28,141,543.91/7,700.91
  6. Step 6: Final answer
    x = 3,654.31

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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.