Home / 4,784.42-7,172.30-1,705.70

Finding the Fourth Proportional to 4,784.42, 7,172.30 and 1,705.70

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Solution

The fourth proportional to 4,784.42, 7,172.30 and 1,705.70 is: 2,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.42 : 7,172.30 = 1,705.70 : x
  2. Step 2: Convert to fraction form
    4,784.42/7,172.30 = 1,705.70/x
  3. Step 3: Cross multiply
    4,784.42x = 7,172.30 × 1,705.70
  4. Step 4: Simplify right side
    4,784.42x = 12,233,792.11
  5. Step 5: Solve for x
    x = 12,233,792.11/4,784.42
  6. Step 6: Final answer
    x = 2,557.01

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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.