Home / 7,122.64-10,672.44-5,824.72

Finding the Fourth Proportional to 7,122.64, 10,672.44 and 5,824.72

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Solution

The fourth proportional to 7,122.64, 10,672.44 and 5,824.72 is: 8,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.64 : 10,672.44 = 5,824.72 : x
  2. Step 2: Convert to fraction form
    7,122.64/10,672.44 = 5,824.72/x
  3. Step 3: Cross multiply
    7,122.64x = 10,672.44 × 5,824.72
  4. Step 4: Simplify right side
    7,122.64x = 62,163,974.72
  5. Step 5: Solve for x
    x = 62,163,974.72/7,122.64
  6. Step 6: Final answer
    x = 8,727.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.