Home / 4,125.30-6,186.48-1,785.20

Finding the Fourth Proportional to 4,125.30, 6,186.48 and 1,785.20

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Solution

The fourth proportional to 4,125.30, 6,186.48 and 1,785.20 is: 2,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.30 : 6,186.48 = 1,785.20 : x
  2. Step 2: Convert to fraction form
    4,125.30/6,186.48 = 1,785.20/x
  3. Step 3: Cross multiply
    4,125.30x = 6,186.48 × 1,785.20
  4. Step 4: Simplify right side
    4,125.30x = 11,044,104.10
  5. Step 5: Solve for x
    x = 11,044,104.10/4,125.30
  6. Step 6: Final answer
    x = 2,677.16

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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.