Home / 7,723.15-10,657.17-4,739.11

Finding the Fourth Proportional to 7,723.15, 10,657.17 and 4,739.11

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Solution

The fourth proportional to 7,723.15, 10,657.17 and 4,739.11 is: 6,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.15 : 10,657.17 = 4,739.11 : x
  2. Step 2: Convert to fraction form
    7,723.15/10,657.17 = 4,739.11/x
  3. Step 3: Cross multiply
    7,723.15x = 10,657.17 × 4,739.11
  4. Step 4: Simplify right side
    7,723.15x = 50,505,474.28
  5. Step 5: Solve for x
    x = 50,505,474.28/7,723.15
  6. Step 6: Final answer
    x = 6,539.49

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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.