Home / 7,069.82-9,756.70-4,086.06

Finding the Fourth Proportional to 7,069.82, 9,756.70 and 4,086.06

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Solution

The fourth proportional to 7,069.82, 9,756.70 and 4,086.06 is: 5,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.82 : 9,756.70 = 4,086.06 : x
  2. Step 2: Convert to fraction form
    7,069.82/9,756.70 = 4,086.06/x
  3. Step 3: Cross multiply
    7,069.82x = 9,756.70 × 4,086.06
  4. Step 4: Simplify right side
    7,069.82x = 39,866,461.60
  5. Step 5: Solve for x
    x = 39,866,461.60/7,069.82
  6. Step 6: Final answer
    x = 5,638.96

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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.