Home / 7,069.29-9,757.37-4,086.98

Finding the Fourth Proportional to 7,069.29, 9,757.37 and 4,086.98

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Solution

The fourth proportional to 7,069.29, 9,757.37 and 4,086.98 is: 5,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.29 : 9,757.37 = 4,086.98 : x
  2. Step 2: Convert to fraction form
    7,069.29/9,757.37 = 4,086.98/x
  3. Step 3: Cross multiply
    7,069.29x = 9,757.37 × 4,086.98
  4. Step 4: Simplify right side
    7,069.29x = 39,878,210.65
  5. Step 5: Solve for x
    x = 39,878,210.65/7,069.29
  6. Step 6: Final answer
    x = 5,641.05

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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.