Home / 5,219.61-7,830.23-2,446.53

Finding the Fourth Proportional to 5,219.61, 7,830.23 and 2,446.53

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Solution

The fourth proportional to 5,219.61, 7,830.23 and 2,446.53 is: 3,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.61 : 7,830.23 = 2,446.53 : x
  2. Step 2: Convert to fraction form
    5,219.61/7,830.23 = 2,446.53/x
  3. Step 3: Cross multiply
    5,219.61x = 7,830.23 × 2,446.53
  4. Step 4: Simplify right side
    5,219.61x = 19,156,880.37
  5. Step 5: Solve for x
    x = 19,156,880.37/5,219.61
  6. Step 6: Final answer
    x = 3,670.17

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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.