Home / 4,743.30-7,114.95-3,188.10

Finding the Fourth Proportional to 4,743.30, 7,114.95 and 3,188.10

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Solution

The fourth proportional to 4,743.30, 7,114.95 and 3,188.10 is: 4,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.30 : 7,114.95 = 3,188.10 : x
  2. Step 2: Convert to fraction form
    4,743.30/7,114.95 = 3,188.10/x
  3. Step 3: Cross multiply
    4,743.30x = 7,114.95 × 3,188.10
  4. Step 4: Simplify right side
    4,743.30x = 22,683,172.10
  5. Step 5: Solve for x
    x = 22,683,172.10/4,743.30
  6. Step 6: Final answer
    x = 4,782.15

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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.