Home / 4,191.75-6,287.63-1,071.77

Finding the Fourth Proportional to 4,191.75, 6,287.63 and 1,071.77

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Solution

The fourth proportional to 4,191.75, 6,287.63 and 1,071.77 is: 1,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.75 : 6,287.63 = 1,071.77 : x
  2. Step 2: Convert to fraction form
    4,191.75/6,287.63 = 1,071.77/x
  3. Step 3: Cross multiply
    4,191.75x = 6,287.63 × 1,071.77
  4. Step 4: Simplify right side
    4,191.75x = 6,738,856.41
  5. Step 5: Solve for x
    x = 6,738,856.41/4,191.75
  6. Step 6: Final answer
    x = 1,607.65

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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.