Home / 4,240.76-6,363.02-1,643.90

Finding the Fourth Proportional to 4,240.76, 6,363.02 and 1,643.90

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Solution

The fourth proportional to 4,240.76, 6,363.02 and 1,643.90 is: 2,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.76 : 6,363.02 = 1,643.90 : x
  2. Step 2: Convert to fraction form
    4,240.76/6,363.02 = 1,643.90/x
  3. Step 3: Cross multiply
    4,240.76x = 6,363.02 × 1,643.90
  4. Step 4: Simplify right side
    4,240.76x = 10,460,140.87
  5. Step 5: Solve for x
    x = 10,460,140.87/4,240.76
  6. Step 6: Final answer
    x = 2,466.58

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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.