Home / 4,247.45-6,368.72-1,647.35

Finding the Fourth Proportional to 4,247.45, 6,368.72 and 1,647.35

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Solution

The fourth proportional to 4,247.45, 6,368.72 and 1,647.35 is: 2,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.45 : 6,368.72 = 1,647.35 : x
  2. Step 2: Convert to fraction form
    4,247.45/6,368.72 = 1,647.35/x
  3. Step 3: Cross multiply
    4,247.45x = 6,368.72 × 1,647.35
  4. Step 4: Simplify right side
    4,247.45x = 10,491,510.89
  5. Step 5: Solve for x
    x = 10,491,510.89/4,247.45
  6. Step 6: Final answer
    x = 2,470.07

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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.