Home / 4,785.39-6,603.90-2,689.50

Finding the Fourth Proportional to 4,785.39, 6,603.90 and 2,689.50

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Solution

The fourth proportional to 4,785.39, 6,603.90 and 2,689.50 is: 3,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.39 : 6,603.90 = 2,689.50 : x
  2. Step 2: Convert to fraction form
    4,785.39/6,603.90 = 2,689.50/x
  3. Step 3: Cross multiply
    4,785.39x = 6,603.90 × 2,689.50
  4. Step 4: Simplify right side
    4,785.39x = 17,761,189.05
  5. Step 5: Solve for x
    x = 17,761,189.05/4,785.39
  6. Step 6: Final answer
    x = 3,711.54

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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.