Home / 7,278.17-10,043.17-4,133.75

Finding the Fourth Proportional to 7,278.17, 10,043.17 and 4,133.75

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Solution

The fourth proportional to 7,278.17, 10,043.17 and 4,133.75 is: 5,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.17 : 10,043.17 = 4,133.75 : x
  2. Step 2: Convert to fraction form
    7,278.17/10,043.17 = 4,133.75/x
  3. Step 3: Cross multiply
    7,278.17x = 10,043.17 × 4,133.75
  4. Step 4: Simplify right side
    7,278.17x = 41,515,953.99
  5. Step 5: Solve for x
    x = 41,515,953.99/7,278.17
  6. Step 6: Final answer
    x = 5,704.17

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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.