Home / 7,039.30-10,537.91-4,257.56

Finding the Fourth Proportional to 7,039.30, 10,537.91 and 4,257.56

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Solution

The fourth proportional to 7,039.30, 10,537.91 and 4,257.56 is: 6,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.30 : 10,537.91 = 4,257.56 : x
  2. Step 2: Convert to fraction form
    7,039.30/10,537.91 = 4,257.56/x
  3. Step 3: Cross multiply
    7,039.30x = 10,537.91 × 4,257.56
  4. Step 4: Simplify right side
    7,039.30x = 44,865,710.12
  5. Step 5: Solve for x
    x = 44,865,710.12/7,039.30
  6. Step 6: Final answer
    x = 6,373.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.