Home / 8,418.74-11,617.04-4,881.56

Finding the Fourth Proportional to 8,418.74, 11,617.04 and 4,881.56

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Solution

The fourth proportional to 8,418.74, 11,617.04 and 4,881.56 is: 6,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.74 : 11,617.04 = 4,881.56 : x
  2. Step 2: Convert to fraction form
    8,418.74/11,617.04 = 4,881.56/x
  3. Step 3: Cross multiply
    8,418.74x = 11,617.04 × 4,881.56
  4. Step 4: Simplify right side
    8,418.74x = 56,709,319.03
  5. Step 5: Solve for x
    x = 56,709,319.03/8,418.74
  6. Step 6: Final answer
    x = 6,736.08

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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.