Home / 4,428.07-6,644.27-2,785.39

Finding the Fourth Proportional to 4,428.07, 6,644.27 and 2,785.39

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Solution

The fourth proportional to 4,428.07, 6,644.27 and 2,785.39 is: 4,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.07 : 6,644.27 = 2,785.39 : x
  2. Step 2: Convert to fraction form
    4,428.07/6,644.27 = 2,785.39/x
  3. Step 3: Cross multiply
    4,428.07x = 6,644.27 × 2,785.39
  4. Step 4: Simplify right side
    4,428.07x = 18,506,883.22
  5. Step 5: Solve for x
    x = 18,506,883.22/4,428.07
  6. Step 6: Final answer
    x = 4,179.45

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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.