Home / 7,424.64-11,122.55-6,635.97

Finding the Fourth Proportional to 7,424.64, 11,122.55 and 6,635.97

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Solution

The fourth proportional to 7,424.64, 11,122.55 and 6,635.97 is: 9,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.64 : 11,122.55 = 6,635.97 : x
  2. Step 2: Convert to fraction form
    7,424.64/11,122.55 = 6,635.97/x
  3. Step 3: Cross multiply
    7,424.64x = 11,122.55 × 6,635.97
  4. Step 4: Simplify right side
    7,424.64x = 73,808,899.83
  5. Step 5: Solve for x
    x = 73,808,899.83/7,424.64
  6. Step 6: Final answer
    x = 9,941.07

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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.