Home / 8,243.60-11,376.96-4,707.08

Finding the Fourth Proportional to 8,243.60, 11,376.96 and 4,707.08

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Solution

The fourth proportional to 8,243.60, 11,376.96 and 4,707.08 is: 6,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.60 : 11,376.96 = 4,707.08 : x
  2. Step 2: Convert to fraction form
    8,243.60/11,376.96 = 4,707.08/x
  3. Step 3: Cross multiply
    8,243.60x = 11,376.96 × 4,707.08
  4. Step 4: Simplify right side
    8,243.60x = 53,552,260.88
  5. Step 5: Solve for x
    x = 53,552,260.88/8,243.60
  6. Step 6: Final answer
    x = 6,496.22

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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.