Home / 7,381.28-10,185.74-4,237.26

Finding the Fourth Proportional to 7,381.28, 10,185.74 and 4,237.26

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Solution

The fourth proportional to 7,381.28, 10,185.74 and 4,237.26 is: 5,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.28 : 10,185.74 = 4,237.26 : x
  2. Step 2: Convert to fraction form
    7,381.28/10,185.74 = 4,237.26/x
  3. Step 3: Cross multiply
    7,381.28x = 10,185.74 × 4,237.26
  4. Step 4: Simplify right side
    7,381.28x = 43,159,628.67
  5. Step 5: Solve for x
    x = 43,159,628.67/7,381.28
  6. Step 6: Final answer
    x = 5,847.17

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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.