Home / 4,513.92-6,766.08-1,915.36

Finding the Fourth Proportional to 4,513.92, 6,766.08 and 1,915.36

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Solution

The fourth proportional to 4,513.92, 6,766.08 and 1,915.36 is: 2,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.92 : 6,766.08 = 1,915.36 : x
  2. Step 2: Convert to fraction form
    4,513.92/6,766.08 = 1,915.36/x
  3. Step 3: Cross multiply
    4,513.92x = 6,766.08 × 1,915.36
  4. Step 4: Simplify right side
    4,513.92x = 12,959,478.99
  5. Step 5: Solve for x
    x = 12,959,478.99/4,513.92
  6. Step 6: Final answer
    x = 2,871.00

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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.