Home / 4,505.71-6,758.58-1,218.88

Finding the Fourth Proportional to 4,505.71, 6,758.58 and 1,218.88

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Solution

The fourth proportional to 4,505.71, 6,758.58 and 1,218.88 is: 1,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.71 : 6,758.58 = 1,218.88 : x
  2. Step 2: Convert to fraction form
    4,505.71/6,758.58 = 1,218.88/x
  3. Step 3: Cross multiply
    4,505.71x = 6,758.58 × 1,218.88
  4. Step 4: Simplify right side
    4,505.71x = 8,237,897.99
  5. Step 5: Solve for x
    x = 8,237,897.99/4,505.71
  6. Step 6: Final answer
    x = 1,828.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.