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Finding the Fourth Proportional to 8,581.07, 11,840.49 and 4,804.39

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Solution

The fourth proportional to 8,581.07, 11,840.49 and 4,804.39 is: 6,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.07 : 11,840.49 = 4,804.39 : x
  2. Step 2: Convert to fraction form
    8,581.07/11,840.49 = 4,804.39/x
  3. Step 3: Cross multiply
    8,581.07x = 11,840.49 × 4,804.39
  4. Step 4: Simplify right side
    8,581.07x = 56,886,320.17
  5. Step 5: Solve for x
    x = 56,886,320.17/8,581.07
  6. Step 6: Final answer
    x = 6,629.28

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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.