Home / 8,532.72-11,750.67-7,328.07

Finding the Fourth Proportional to 8,532.72, 11,750.67 and 7,328.07

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Solution

The fourth proportional to 8,532.72, 11,750.67 and 7,328.07 is: 10,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.72 : 11,750.67 = 7,328.07 : x
  2. Step 2: Convert to fraction form
    8,532.72/11,750.67 = 7,328.07/x
  3. Step 3: Cross multiply
    8,532.72x = 11,750.67 × 7,328.07
  4. Step 4: Simplify right side
    8,532.72x = 86,109,732.31
  5. Step 5: Solve for x
    x = 86,109,732.31/8,532.72
  6. Step 6: Final answer
    x = 10,091.71

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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.