Home / 5,695.20-8,543.70-2,185.07

Finding the Fourth Proportional to 5,695.20, 8,543.70 and 2,185.07

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Solution

The fourth proportional to 5,695.20, 8,543.70 and 2,185.07 is: 3,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.20 : 8,543.70 = 2,185.07 : x
  2. Step 2: Convert to fraction form
    5,695.20/8,543.70 = 2,185.07/x
  3. Step 3: Cross multiply
    5,695.20x = 8,543.70 × 2,185.07
  4. Step 4: Simplify right side
    5,695.20x = 18,668,539.84
  5. Step 5: Solve for x
    x = 18,668,539.84/5,695.20
  6. Step 6: Final answer
    x = 3,277.94

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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.