Home / 7,031.82-9,703.26-3,887.94

Finding the Fourth Proportional to 7,031.82, 9,703.26 and 3,887.94

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Solution

The fourth proportional to 7,031.82, 9,703.26 and 3,887.94 is: 5,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.82 : 9,703.26 = 3,887.94 : x
  2. Step 2: Convert to fraction form
    7,031.82/9,703.26 = 3,887.94/x
  3. Step 3: Cross multiply
    7,031.82x = 9,703.26 × 3,887.94
  4. Step 4: Simplify right side
    7,031.82x = 37,725,692.68
  5. Step 5: Solve for x
    x = 37,725,692.68/7,031.82
  6. Step 6: Final answer
    x = 5,365.00

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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.