Home / 4,785.06-6,603.39-2,689.19

Finding the Fourth Proportional to 4,785.06, 6,603.39 and 2,689.19

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Solution

The fourth proportional to 4,785.06, 6,603.39 and 2,689.19 is: 3,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.06 : 6,603.39 = 2,689.19 : x
  2. Step 2: Convert to fraction form
    4,785.06/6,603.39 = 2,689.19/x
  3. Step 3: Cross multiply
    4,785.06x = 6,603.39 × 2,689.19
  4. Step 4: Simplify right side
    4,785.06x = 17,757,770.35
  5. Step 5: Solve for x
    x = 17,757,770.35/4,785.06
  6. Step 6: Final answer
    x = 3,711.09

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Double scale
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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.