Home / 7,364.08-10,163.64-5,381.20

Finding the Fourth Proportional to 7,364.08, 10,163.64 and 5,381.20

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Solution

The fourth proportional to 7,364.08, 10,163.64 and 5,381.20 is: 7,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.08 : 10,163.64 = 5,381.20 : x
  2. Step 2: Convert to fraction form
    7,364.08/10,163.64 = 5,381.20/x
  3. Step 3: Cross multiply
    7,364.08x = 10,163.64 × 5,381.20
  4. Step 4: Simplify right side
    7,364.08x = 54,692,579.57
  5. Step 5: Solve for x
    x = 54,692,579.57/7,364.08
  6. Step 6: Final answer
    x = 7,426.94

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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.