Home / 7,542.98-10,409.88-4,185.77

Finding the Fourth Proportional to 7,542.98, 10,409.88 and 4,185.77

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Solution

The fourth proportional to 7,542.98, 10,409.88 and 4,185.77 is: 5,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.98 : 10,409.88 = 4,185.77 : x
  2. Step 2: Convert to fraction form
    7,542.98/10,409.88 = 4,185.77/x
  3. Step 3: Cross multiply
    7,542.98x = 10,409.88 × 4,185.77
  4. Step 4: Simplify right side
    7,542.98x = 43,573,311.36
  5. Step 5: Solve for x
    x = 43,573,311.36/7,542.98
  6. Step 6: Final answer
    x = 5,776.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.