Home / 5,671.04-7,817.76-3,680.84

Finding the Fourth Proportional to 5,671.04, 7,817.76 and 3,680.84

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Solution

The fourth proportional to 5,671.04, 7,817.76 and 3,680.84 is: 5,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.04 : 7,817.76 = 3,680.84 : x
  2. Step 2: Convert to fraction form
    5,671.04/7,817.76 = 3,680.84/x
  3. Step 3: Cross multiply
    5,671.04x = 7,817.76 × 3,680.84
  4. Step 4: Simplify right side
    5,671.04x = 28,775,923.72
  5. Step 5: Solve for x
    x = 28,775,923.72/5,671.04
  6. Step 6: Final answer
    x = 5,074.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.