Home / 5,641.21-8,465.57-2,520.17

Finding the Fourth Proportional to 5,641.21, 8,465.57 and 2,520.17

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Solution

The fourth proportional to 5,641.21, 8,465.57 and 2,520.17 is: 3,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.21 : 8,465.57 = 2,520.17 : x
  2. Step 2: Convert to fraction form
    5,641.21/8,465.57 = 2,520.17/x
  3. Step 3: Cross multiply
    5,641.21x = 8,465.57 × 2,520.17
  4. Step 4: Simplify right side
    5,641.21x = 21,334,662.95
  5. Step 5: Solve for x
    x = 21,334,662.95/5,641.21
  6. Step 6: Final answer
    x = 3,781.93

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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.