Home / 4,125.91-6,188.77-1,005.91

Finding the Fourth Proportional to 4,125.91, 6,188.77 and 1,005.91

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Solution

The fourth proportional to 4,125.91, 6,188.77 and 1,005.91 is: 1,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.91 : 6,188.77 = 1,005.91 : x
  2. Step 2: Convert to fraction form
    4,125.91/6,188.77 = 1,005.91/x
  3. Step 3: Cross multiply
    4,125.91x = 6,188.77 × 1,005.91
  4. Step 4: Simplify right side
    4,125.91x = 6,225,345.63
  5. Step 5: Solve for x
    x = 6,225,345.63/4,125.91
  6. Step 6: Final answer
    x = 1,508.84

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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.