Home / 7,322.90-10,122.22-6,741.64

Finding the Fourth Proportional to 7,322.90, 10,122.22 and 6,741.64

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Solution

The fourth proportional to 7,322.90, 10,122.22 and 6,741.64 is: 9,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.90 : 10,122.22 = 6,741.64 : x
  2. Step 2: Convert to fraction form
    7,322.90/10,122.22 = 6,741.64/x
  3. Step 3: Cross multiply
    7,322.90x = 10,122.22 × 6,741.64
  4. Step 4: Simplify right side
    7,322.90x = 68,240,363.24
  5. Step 5: Solve for x
    x = 68,240,363.24/7,322.90
  6. Step 6: Final answer
    x = 9,318.76

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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.