Home / 7,639.53-10,542.54-4,282.37

Finding the Fourth Proportional to 7,639.53, 10,542.54 and 4,282.37

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Solution

The fourth proportional to 7,639.53, 10,542.54 and 4,282.37 is: 5,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.53 : 10,542.54 = 4,282.37 : x
  2. Step 2: Convert to fraction form
    7,639.53/10,542.54 = 4,282.37/x
  3. Step 3: Cross multiply
    7,639.53x = 10,542.54 × 4,282.37
  4. Step 4: Simplify right side
    7,639.53x = 45,147,004.31
  5. Step 5: Solve for x
    x = 45,147,004.31/7,639.53
  6. Step 6: Final answer
    x = 5,909.66

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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.