Home / 7,722.11-10,656.51-4,185.32

Finding the Fourth Proportional to 7,722.11, 10,656.51 and 4,185.32

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Solution

The fourth proportional to 7,722.11, 10,656.51 and 4,185.32 is: 5,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.11 : 10,656.51 = 4,185.32 : x
  2. Step 2: Convert to fraction form
    7,722.11/10,656.51 = 4,185.32/x
  3. Step 3: Cross multiply
    7,722.11x = 10,656.51 × 4,185.32
  4. Step 4: Simplify right side
    7,722.11x = 44,600,904.43
  5. Step 5: Solve for x
    x = 44,600,904.43/7,722.11
  6. Step 6: Final answer
    x = 5,775.74

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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.