Home / 7,526.70-11,291.85-3,141.72

Finding the Fourth Proportional to 7,526.70, 11,291.85 and 3,141.72

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Solution

The fourth proportional to 7,526.70, 11,291.85 and 3,141.72 is: 4,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.70 : 11,291.85 = 3,141.72 : x
  2. Step 2: Convert to fraction form
    7,526.70/11,291.85 = 3,141.72/x
  3. Step 3: Cross multiply
    7,526.70x = 11,291.85 × 3,141.72
  4. Step 4: Simplify right side
    7,526.70x = 35,475,830.98
  5. Step 5: Solve for x
    x = 35,475,830.98/7,526.70
  6. Step 6: Final answer
    x = 4,713.33

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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.