Home / 7,455.72-11,177.10-3,554.76

Finding the Fourth Proportional to 7,455.72, 11,177.10 and 3,554.76

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Solution

The fourth proportional to 7,455.72, 11,177.10 and 3,554.76 is: 5,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.72 : 11,177.10 = 3,554.76 : x
  2. Step 2: Convert to fraction form
    7,455.72/11,177.10 = 3,554.76/x
  3. Step 3: Cross multiply
    7,455.72x = 11,177.10 × 3,554.76
  4. Step 4: Simplify right side
    7,455.72x = 39,731,908.00
  5. Step 5: Solve for x
    x = 39,731,908.00/7,455.72
  6. Step 6: Final answer
    x = 5,329.05

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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.