Home / 8,621.07-11,897.09-4,895.07

Finding the Fourth Proportional to 8,621.07, 11,897.09 and 4,895.07

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Solution

The fourth proportional to 8,621.07, 11,897.09 and 4,895.07 is: 6,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.07 : 11,897.09 = 4,895.07 : x
  2. Step 2: Convert to fraction form
    8,621.07/11,897.09 = 4,895.07/x
  3. Step 3: Cross multiply
    8,621.07x = 11,897.09 × 4,895.07
  4. Step 4: Simplify right side
    8,621.07x = 58,237,063.87
  5. Step 5: Solve for x
    x = 58,237,063.87/8,621.07
  6. Step 6: Final answer
    x = 6,755.20

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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.