Home / 4,283.40-6,424.82-2,640.18

Finding the Fourth Proportional to 4,283.40, 6,424.82 and 2,640.18

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Solution

The fourth proportional to 4,283.40, 6,424.82 and 2,640.18 is: 3,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.40 : 6,424.82 = 2,640.18 : x
  2. Step 2: Convert to fraction form
    4,283.40/6,424.82 = 2,640.18/x
  3. Step 3: Cross multiply
    4,283.40x = 6,424.82 × 2,640.18
  4. Step 4: Simplify right side
    4,283.40x = 16,962,681.27
  5. Step 5: Solve for x
    x = 16,962,681.27/4,283.40
  6. Step 6: Final answer
    x = 3,960.10

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1.5x scale

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.