Home / 6,651.84-9,178.70-4,134.36

Finding the Fourth Proportional to 6,651.84, 9,178.70 and 4,134.36

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Solution

The fourth proportional to 6,651.84, 9,178.70 and 4,134.36 is: 5,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.84 : 9,178.70 = 4,134.36 : x
  2. Step 2: Convert to fraction form
    6,651.84/9,178.70 = 4,134.36/x
  3. Step 3: Cross multiply
    6,651.84x = 9,178.70 × 4,134.36
  4. Step 4: Simplify right side
    6,651.84x = 37,948,029.46
  5. Step 5: Solve for x
    x = 37,948,029.46/6,651.84
  6. Step 6: Final answer
    x = 5,704.89

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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.