Home / 8,621.28-11,897.34-4,895.28

Finding the Fourth Proportional to 8,621.28, 11,897.34 and 4,895.28

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Solution

The fourth proportional to 8,621.28, 11,897.34 and 4,895.28 is: 6,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.28 : 11,897.34 = 4,895.28 : x
  2. Step 2: Convert to fraction form
    8,621.28/11,897.34 = 4,895.28/x
  3. Step 3: Cross multiply
    8,621.28x = 11,897.34 × 4,895.28
  4. Step 4: Simplify right side
    8,621.28x = 58,240,810.56
  5. Step 5: Solve for x
    x = 58,240,810.56/8,621.28
  6. Step 6: Final answer
    x = 6,755.47

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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.