Home / 7,722.85-10,657.58-4,186.06

Finding the Fourth Proportional to 7,722.85, 10,657.58 and 4,186.06

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Solution

The fourth proportional to 7,722.85, 10,657.58 and 4,186.06 is: 5,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.85 : 10,657.58 = 4,186.06 : x
  2. Step 2: Convert to fraction form
    7,722.85/10,657.58 = 4,186.06/x
  3. Step 3: Cross multiply
    7,722.85x = 10,657.58 × 4,186.06
  4. Step 4: Simplify right side
    7,722.85x = 44,613,269.33
  5. Step 5: Solve for x
    x = 44,613,269.33/7,722.85
  6. Step 6: Final answer
    x = 5,776.79

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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.