Home / 7,069.92-9,756.05-4,085.27

Finding the Fourth Proportional to 7,069.92, 9,756.05 and 4,085.27

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Solution

The fourth proportional to 7,069.92, 9,756.05 and 4,085.27 is: 5,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.92 : 9,756.05 = 4,085.27 : x
  2. Step 2: Convert to fraction form
    7,069.92/9,756.05 = 4,085.27/x
  3. Step 3: Cross multiply
    7,069.92x = 9,756.05 × 4,085.27
  4. Step 4: Simplify right side
    7,069.92x = 39,856,077.96
  5. Step 5: Solve for x
    x = 39,856,077.96/7,069.92
  6. Step 6: Final answer
    x = 5,637.42

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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.