Home / 7,723.12-10,657.96-4,186.34

Finding the Fourth Proportional to 7,723.12, 10,657.96 and 4,186.34

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Solution

The fourth proportional to 7,723.12, 10,657.96 and 4,186.34 is: 5,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.12 : 10,657.96 = 4,186.34 : x
  2. Step 2: Convert to fraction form
    7,723.12/10,657.96 = 4,186.34/x
  3. Step 3: Cross multiply
    7,723.12x = 10,657.96 × 4,186.34
  4. Step 4: Simplify right side
    7,723.12x = 44,617,844.27
  5. Step 5: Solve for x
    x = 44,617,844.27/7,723.12
  6. Step 6: Final answer
    x = 5,777.18

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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.