Home / 5,785.08-8,645.88-4,228.36

Finding the Fourth Proportional to 5,785.08, 8,645.88 and 4,228.36

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Solution

The fourth proportional to 5,785.08, 8,645.88 and 4,228.36 is: 6,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.08 : 8,645.88 = 4,228.36 : x
  2. Step 2: Convert to fraction form
    5,785.08/8,645.88 = 4,228.36/x
  3. Step 3: Cross multiply
    5,785.08x = 8,645.88 × 4,228.36
  4. Step 4: Simplify right side
    5,785.08x = 36,557,893.16
  5. Step 5: Solve for x
    x = 36,557,893.16/5,785.08
  6. Step 6: Final answer
    x = 6,319.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.