Home / 7,069.97-9,758.01-4,085.39

Finding the Fourth Proportional to 7,069.97, 9,758.01 and 4,085.39

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Solution

The fourth proportional to 7,069.97, 9,758.01 and 4,085.39 is: 5,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.97 : 9,758.01 = 4,085.39 : x
  2. Step 2: Convert to fraction form
    7,069.97/9,758.01 = 4,085.39/x
  3. Step 3: Cross multiply
    7,069.97x = 9,758.01 × 4,085.39
  4. Step 4: Simplify right side
    7,069.97x = 39,865,276.47
  5. Step 5: Solve for x
    x = 39,865,276.47/7,069.97
  6. Step 6: Final answer
    x = 5,638.68

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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.