Home / 7,722.23-10,656.87-4,739.71

Finding the Fourth Proportional to 7,722.23, 10,656.87 and 4,739.71

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Solution

The fourth proportional to 7,722.23, 10,656.87 and 4,739.71 is: 6,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.23 : 10,656.87 = 4,739.71 : x
  2. Step 2: Convert to fraction form
    7,722.23/10,656.87 = 4,739.71/x
  3. Step 3: Cross multiply
    7,722.23x = 10,656.87 × 4,739.71
  4. Step 4: Simplify right side
    7,722.23x = 50,510,473.31
  5. Step 5: Solve for x
    x = 50,510,473.31/7,722.23
  6. Step 6: Final answer
    x = 6,540.92

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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.