Home / 7,723.03-10,657.78-4,186.24

Finding the Fourth Proportional to 7,723.03, 10,657.78 and 4,186.24

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Solution

The fourth proportional to 7,723.03, 10,657.78 and 4,186.24 is: 5,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.03 : 10,657.78 = 4,186.24 : x
  2. Step 2: Convert to fraction form
    7,723.03/10,657.78 = 4,186.24/x
  3. Step 3: Cross multiply
    7,723.03x = 10,657.78 × 4,186.24
  4. Step 4: Simplify right side
    7,723.03x = 44,615,971.66
  5. Step 5: Solve for x
    x = 44,615,971.66/7,723.03
  6. Step 6: Final answer
    x = 5,777.01

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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.