Home / 8,234.89-11,370.69-7,605.18

Finding the Fourth Proportional to 8,234.89, 11,370.69 and 7,605.18

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Solution

The fourth proportional to 8,234.89, 11,370.69 and 7,605.18 is: 10,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.89 : 11,370.69 = 7,605.18 : x
  2. Step 2: Convert to fraction form
    8,234.89/11,370.69 = 7,605.18/x
  3. Step 3: Cross multiply
    8,234.89x = 11,370.69 × 7,605.18
  4. Step 4: Simplify right side
    8,234.89x = 86,476,144.17
  5. Step 5: Solve for x
    x = 86,476,144.17/8,234.89
  6. Step 6: Final answer
    x = 10,501.19

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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.