Home / 4,127.67-6,191.51-1,785.76

Finding the Fourth Proportional to 4,127.67, 6,191.51 and 1,785.76

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Solution

The fourth proportional to 4,127.67, 6,191.51 and 1,785.76 is: 2,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.67 : 6,191.51 = 1,785.76 : x
  2. Step 2: Convert to fraction form
    4,127.67/6,191.51 = 1,785.76/x
  3. Step 3: Cross multiply
    4,127.67x = 6,191.51 × 1,785.76
  4. Step 4: Simplify right side
    4,127.67x = 11,056,526.49
  5. Step 5: Solve for x
    x = 11,056,526.49/4,127.67
  6. Step 6: Final answer
    x = 2,678.64

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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.