Home / 5,385.06-8,074.14-2,572.74

Finding the Fourth Proportional to 5,385.06, 8,074.14 and 2,572.74

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Solution

The fourth proportional to 5,385.06, 8,074.14 and 2,572.74 is: 3,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.06 : 8,074.14 = 2,572.74 : x
  2. Step 2: Convert to fraction form
    5,385.06/8,074.14 = 2,572.74/x
  3. Step 3: Cross multiply
    5,385.06x = 8,074.14 × 2,572.74
  4. Step 4: Simplify right side
    5,385.06x = 20,772,662.94
  5. Step 5: Solve for x
    x = 20,772,662.94/5,385.06
  6. Step 6: Final answer
    x = 3,857.46

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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.