Home / 7,707.24-11,554.38-3,087.72

Finding the Fourth Proportional to 7,707.24, 11,554.38 and 3,087.72

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Solution

The fourth proportional to 7,707.24, 11,554.38 and 3,087.72 is: 4,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.24 : 11,554.38 = 3,087.72 : x
  2. Step 2: Convert to fraction form
    7,707.24/11,554.38 = 3,087.72/x
  3. Step 3: Cross multiply
    7,707.24x = 11,554.38 × 3,087.72
  4. Step 4: Simplify right side
    7,707.24x = 35,676,690.21
  5. Step 5: Solve for x
    x = 35,676,690.21/7,707.24
  6. Step 6: Final answer
    x = 4,628.98

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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.