Home / 7,504.94-10,357.28-5,381.12

Finding the Fourth Proportional to 7,504.94, 10,357.28 and 5,381.12

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Solution

The fourth proportional to 7,504.94, 10,357.28 and 5,381.12 is: 7,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.94 : 10,357.28 = 5,381.12 : x
  2. Step 2: Convert to fraction form
    7,504.94/10,357.28 = 5,381.12/x
  3. Step 3: Cross multiply
    7,504.94x = 10,357.28 × 5,381.12
  4. Step 4: Simplify right side
    7,504.94x = 55,733,766.55
  5. Step 5: Solve for x
    x = 55,733,766.55/7,504.94
  6. Step 6: Final answer
    x = 7,426.28

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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.