Home / 7,011.76-9,675.90-4,025.49

Finding the Fourth Proportional to 7,011.76, 9,675.90 and 4,025.49

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Solution

The fourth proportional to 7,011.76, 9,675.90 and 4,025.49 is: 5,554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.76 : 9,675.90 = 4,025.49 : x
  2. Step 2: Convert to fraction form
    7,011.76/9,675.90 = 4,025.49/x
  3. Step 3: Cross multiply
    7,011.76x = 9,675.90 × 4,025.49
  4. Step 4: Simplify right side
    7,011.76x = 38,950,238.69
  5. Step 5: Solve for x
    x = 38,950,238.69/7,011.76
  6. Step 6: Final answer
    x = 5,554.99

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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.