Home / 8,424.24-11,619.84-5,274.96

Finding the Fourth Proportional to 8,424.24, 11,619.84 and 5,274.96

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Solution

The fourth proportional to 8,424.24, 11,619.84 and 5,274.96 is: 7,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.24 : 11,619.84 = 5,274.96 : x
  2. Step 2: Convert to fraction form
    8,424.24/11,619.84 = 5,274.96/x
  3. Step 3: Cross multiply
    8,424.24x = 11,619.84 × 5,274.96
  4. Step 4: Simplify right side
    8,424.24x = 61,294,191.21
  5. Step 5: Solve for x
    x = 61,294,191.21/8,424.24
  6. Step 6: Final answer
    x = 7,275.93

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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.