Home / 7,069.07-9,755.66-4,085.30

Finding the Fourth Proportional to 7,069.07, 9,755.66 and 4,085.30

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Solution

The fourth proportional to 7,069.07, 9,755.66 and 4,085.30 is: 5,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.07 : 9,755.66 = 4,085.30 : x
  2. Step 2: Convert to fraction form
    7,069.07/9,755.66 = 4,085.30/x
  3. Step 3: Cross multiply
    7,069.07x = 9,755.66 × 4,085.30
  4. Step 4: Simplify right side
    7,069.07x = 39,854,777.37
  5. Step 5: Solve for x
    x = 39,854,777.37/7,069.07
  6. Step 6: Final answer
    x = 5,637.91

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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.