Home / 4,172.15-6,261.20-3,079.46

Finding the Fourth Proportional to 4,172.15, 6,261.20 and 3,079.46

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Solution

The fourth proportional to 4,172.15, 6,261.20 and 3,079.46 is: 4,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.15 : 6,261.20 = 3,079.46 : x
  2. Step 2: Convert to fraction form
    4,172.15/6,261.20 = 3,079.46/x
  3. Step 3: Cross multiply
    4,172.15x = 6,261.20 × 3,079.46
  4. Step 4: Simplify right side
    4,172.15x = 19,281,126.76
  5. Step 5: Solve for x
    x = 19,281,126.76/4,172.15
  6. Step 6: Final answer
    x = 4,621.39

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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.