Home / 8,558.54-11,809.58-4,781.18

Finding the Fourth Proportional to 8,558.54, 11,809.58 and 4,781.18

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Solution

The fourth proportional to 8,558.54, 11,809.58 and 4,781.18 is: 6,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.54 : 11,809.58 = 4,781.18 : x
  2. Step 2: Convert to fraction form
    8,558.54/11,809.58 = 4,781.18/x
  3. Step 3: Cross multiply
    8,558.54x = 11,809.58 × 4,781.18
  4. Step 4: Simplify right side
    8,558.54x = 56,463,727.70
  5. Step 5: Solve for x
    x = 56,463,727.70/8,558.54
  6. Step 6: Final answer
    x = 6,597.36

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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.